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7.5
CVE-2023-44487KEV

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

Description

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

Affected Products

VendorProductVersions
ietfhttp< 1.57.0, < 4.1.100, < 9.4.53, < 10.0.17, < 11.0.17, < 12.0.2, < 2.7.5, < 1.20.10, < 1.21.3, < 0.17.0, < 0.17.0, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 1.8.2, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 13.1.5, <= 14.1.5, <= 15.1.10, <= 16.1.4, <= 1.25.2, <= 2.4.2, <= 3.3.0, < r29, <= 8.5.93, <= 9.0.80, <= 10.1.13, < 1.28.0, < 1.56.3, <= 1.59.2, < 1.58.3, < 6.0.23, < 7.0.12, < 6.0.23, < 7.0.12, < 2023-10-08, < 17.2.20, < 17.4.12, < 17.6.8, < 17.7.5, < 10.0.14393.6351, < 10.0.14393.6351, < 10.0.17763.4974, < 10.0.19044.3570, < 10.0.19045.3570, < 10.0.22000.2538, < 10.0.22621.2428, < 18.18.2, < 20.8.1, < 2023-10-11, < 2023-10-10, < 2023.10.16.00, < 3.6.1, < 8.1.9, < 9.2.3, < 2.5.0, < 4.2.2, < 1.17.6, < 1.18.3, < 1.19.1, < 2023-10-10, < 2.10.5, < 2023-10-11, <= 2.12.5, < 1.26.0, < 10.5.3, < 3.4.2, <= 2.414.2, <= 2.427, < 9.4.0, < 1.21.4.3, < 3.2.003.009, < 11.1, < 4.1.3, < 5.0.2, < 6.0.0, < x14.3.3, < 7.4.2, < 4.11.0, < 9.3.3, < 7.2.1, < 3.10.4, < 11.2, < 2.2.0, < 2.19.2, < x14.3.3, < 2024.01.0, < 2024.02.0, < 2024.02.0, < 12.6.2, < 1.22, < 17.15.1, < 7.11.2, < 15.1.0, < 10.2\(7\), < 10.3\(5\), < 10.4\(2\), < 10.2\(7\), < 10.3\(5\), < 10.4\(2\)

References

  • http://www.openwall.com/lists/oss-security/2023/10/10/6(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/10/7(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/13/4(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/13/9(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/18/4(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/18/8(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/19/6(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/20/8(Mailing List, Third Party Advisory)
  • https://access.redhat.com/security/cve/cve-2023-44487(Vendor Advisory)
  • https://arstechnica.com/security/2023/10/how-ddosers-used-the-http-2-protocol-to-deliver-attacks-of-unprecedented-size/(Press/Media Coverage, Third Party Advisory)
  • https://aws.amazon.com/security/security-bulletins/AWS-2023-011/(Third Party Advisory)
  • https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/(Technical Description, Vendor Advisory)
  • https://blog.cloudflare.com/zero-day-rapid-reset-http2-record-breaking-ddos-attack/(Third Party Advisory, Vendor Advisory)
  • https://blog.litespeedtech.com/2023/10/11/rapid-reset-http-2-vulnerablilty/(Vendor Advisory)
  • https://blog.qualys.com/vulnerabilities-threat-research/2023/10/10/cve-2023-44487-http-2-rapid-reset-attack(Press/Media Coverage, Third Party Advisory)
  • https://blog.vespa.ai/cve-2023-44487/(Vendor Advisory)
  • https://bugzilla.proxmox.com/show_bug.cgi?id=4988(Issue Tracking, Third Party Advisory)
  • https://bugzilla.redhat.com/show_bug.cgi?id=2242803(Issue Tracking, Vendor Advisory)
  • https://bugzilla.suse.com/show_bug.cgi?id=1216123(Issue Tracking, Vendor Advisory)
  • https://cgit.freebsd.org/ports/commit/?id=c64c329c2c1752f46b73e3e6ce9f4329be6629f9(Mailing List, Patch, Vendor Advisory)
  • https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/(Technical Description, Vendor Advisory)
  • https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack(Technical Description, Vendor Advisory)
  • https://community.traefik.io/t/is-traefik-vulnerable-to-cve-2023-44487/20125(Vendor Advisory)
  • https://discuss.hashicorp.com/t/hcsec-2023-32-vault-consul-and-boundary-affected-by-http-2-rapid-reset-denial-of-service-vulnerability-cve-2023-44487/59715(Third Party Advisory)
  • https://edg.io/lp/blog/resets-leaks-ddos-and-the-tale-of-a-hidden-cve(Broken Link)
  • https://forums.swift.org/t/swift-nio-http2-security-update-cve-2023-44487-http-2-dos/67764(Vendor Advisory)
  • https://gist.github.com/adulau/7c2bfb8e9cdbe4b35a5e131c66a0c088(Issue Tracking, Patch)
  • https://github.com/Azure/AKS/issues/3947(Issue Tracking)
  • https://github.com/Kong/kong/discussions/11741(Issue Tracking)
  • https://github.com/advisories/GHSA-qppj-fm5r-hxr3(Vendor Advisory)
  • https://github.com/advisories/GHSA-vx74-f528-fxqg(Mitigation, Patch, Vendor Advisory)
  • https://github.com/advisories/GHSA-xpw8-rcwv-8f8p(Patch, Vendor Advisory)
  • https://github.com/akka/akka-http/issues/4323(Issue Tracking)
  • https://github.com/alibaba/tengine/issues/1872(Issue Tracking)
  • https://github.com/apache/apisix/issues/10320(Issue Tracking)
  • https://github.com/apache/httpd-site/pull/10(Issue Tracking)
  • https://github.com/apache/httpd/blob/afcdbeebbff4b0c50ea26cdd16e178c0d1f24152/modules/http2/h2_mplx.c#L1101-L1113(Product)
  • https://github.com/apache/tomcat/tree/main/java/org/apache/coyote/http2(Product, Third Party Advisory)
  • https://github.com/apache/trafficserver/pull/10564(Issue Tracking, Patch)
  • https://github.com/arkrwn/PoC/tree/main/CVE-2023-44487(Vendor Advisory)
  • https://github.com/bcdannyboy/CVE-2023-44487(Third Party Advisory)
  • https://github.com/caddyserver/caddy/issues/5877(Issue Tracking, Vendor Advisory)
  • https://github.com/caddyserver/caddy/releases/tag/v2.7.5(Release Notes, Third Party Advisory)
  • https://github.com/dotnet/announcements/issues/277(Issue Tracking, Mitigation, Vendor Advisory)
  • https://github.com/dotnet/core/blob/e4613450ea0da7fd2fc6b61dfb2c1c1dec1ce9ec/release-notes/6.0/6.0.23/6.0.23.md?plain=1#L73(Product, Release Notes)
  • https://github.com/eclipse/jetty.project/issues/10679(Issue Tracking)
  • https://github.com/envoyproxy/envoy/pull/30055(Issue Tracking, Patch)
  • https://github.com/etcd-io/etcd/issues/16740(Issue Tracking, Patch)
  • https://github.com/facebook/proxygen/pull/466(Issue Tracking, Patch)
  • https://github.com/golang/go/issues/63417(Issue Tracking)
  • https://github.com/grpc/grpc-go/pull/6703(Issue Tracking, Patch)
  • https://github.com/grpc/grpc/releases/tag/v1.59.2(Mailing List)
  • https://github.com/h2o/h2o/pull/3291(Issue Tracking, Patch)
  • https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf(Vendor Advisory)
  • https://github.com/haproxy/haproxy/issues/2312(Issue Tracking)
  • https://github.com/icing/mod_h2/blob/0a864782af0a942aa2ad4ed960a6b32cd35bcf0a/mod_http2/README.md?plain=1#L239-L244(Product)
  • https://github.com/junkurihara/rust-rpxy/issues/97(Issue Tracking)
  • https://github.com/kazu-yamamoto/http2/commit/f61d41a502bd0f60eb24e1ce14edc7b6df6722a1(Patch)
  • https://github.com/kazu-yamamoto/http2/issues/93(Issue Tracking)
  • https://github.com/kubernetes/kubernetes/pull/121120(Issue Tracking, Patch)
  • https://github.com/line/armeria/pull/5232(Issue Tracking, Patch)
  • https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632(Patch)
  • https://github.com/micrictor/http2-rst-stream(Exploit, Third Party Advisory)
  • https://github.com/microsoft/CBL-Mariner/pull/6381(Issue Tracking, Patch)
  • https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61(Patch)
  • https://github.com/nghttp2/nghttp2/pull/1961(Issue Tracking, Patch)
  • https://github.com/nghttp2/nghttp2/releases/tag/v1.57.0(Release Notes)
  • https://github.com/ninenines/cowboy/issues/1615(Issue Tracking)
  • https://github.com/nodejs/node/pull/50121(Issue Tracking)
  • https://github.com/openresty/openresty/issues/930(Issue Tracking)
  • https://github.com/opensearch-project/data-prepper/issues/3474(Issue Tracking, Patch)
  • https://github.com/oqtane/oqtane.framework/discussions/3367(Issue Tracking)
  • https://github.com/projectcontour/contour/pull/5826(Issue Tracking, Patch)
  • https://github.com/tempesta-tech/tempesta/issues/1986(Issue Tracking)
  • https://github.com/varnishcache/varnish-cache/issues/3996(Issue Tracking)
  • https://groups.google.com/g/golang-announce/c/iNNxDTCjZvo(Mailing List, Release Notes, Vendor Advisory)
  • https://istio.io/latest/news/security/istio-security-2023-004/(Vendor Advisory)
  • https://linkerd.io/2023/10/12/linkerd-cve-2023-44487/(Vendor Advisory)
  • https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q(Mailing List)
  • https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html(Mailing List, Third Party Advisory)
  • https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html(Mailing List)
  • https://lists.debian.org/debian-lts-announce/2023/10/msg00024.html(Mailing List)
  • https://lists.debian.org/debian-lts-announce/2023/10/msg00045.html(Mailing List)
  • https://lists.debian.org/debian-lts-announce/2023/10/msg00047.html(Mailing List)
  • https://lists.debian.org/debian-lts-announce/2023/11/msg00001.html(Mailing List)
  • https://lists.debian.org/debian-lts-announce/2023/11/msg00012.html(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2MBEPPC36UBVOZZNAXFHKLFGSLCMN5LI/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3N4NJ7FR4X4FPZUGNTQAPSTVB2HB2Y4A/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BFQD3KUEMFBHPAPBGLWQC34L4OWL5HAZ/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E72T67UPDRXHIDLO3OROR25YAMN4GGW5/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNA62Q767CFAFHBCDKYNPBMZWB7TWYVU/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HT7T2R4MQKLIF4ODV4BDLPARWFPCJ5CZ/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JMEXY22BFG5Q64HQCM5CK2Q7KDKVV4TY/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LKYHSZQFDNR7RSA7LHVLLIAQMVYCUGBG/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LNMZJCDHGLJJLXO4OXWJMTVQRNWOC7UL/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VHUHTSXLXGXS7JYKBXTA3VINUPHTNGVU/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSRDIV77HNKUSM7SJC5BKE5JSHLHU2NK/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WE2I52RHNNU42PX6NZ2RBUHSFFJ2LVZX/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WLPRQ5TWUQQXYWBJM7ECYDAIL2YVKIUH/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6QXN4ORIVF6XBW4WWFE7VNPVC74S45Y/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZB43REMKRQR62NJEI7I5NQ4FSXNLBKRT/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4/(Mailing List)
  • https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html(Mailing List, Third Party Advisory)
  • https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html(Mailing List, Patch, Third Party Advisory)
  • https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html(Third Party Advisory)
  • https://msrc.microsoft.com/blog/2023/10/microsoft-response-to-distributed-denial-of-service-ddos-attacks-against-http/2/(Patch, Vendor Advisory)
  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-44487(Mitigation, Patch, Vendor Advisory)
  • https://my.f5.com/manage/s/article/K000137106(Vendor Advisory)
  • https://netty.io/news/2023/10/10/4-1-100-Final.html(Release Notes, Vendor Advisory)
  • https://news.ycombinator.com/item?id=37830987(Issue Tracking)
  • https://news.ycombinator.com/item?id=37830998(Issue Tracking, Press/Media Coverage)
  • https://news.ycombinator.com/item?id=37831062(Issue Tracking)
  • https://news.ycombinator.com/item?id=37837043(Issue Tracking)
  • https://openssf.org/blog/2023/10/10/http-2-rapid-reset-vulnerability-highlights-need-for-rapid-response/(Third Party Advisory)
  • https://seanmonstar.com/post/730794151136935936/hyper-http2-rapid-reset-unaffected(Third Party Advisory)
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http2-reset-d8Kf32vZ(Vendor Advisory)
  • https://security.gentoo.org/glsa/202311-09(Third Party Advisory)
  • https://security.netapp.com/advisory/ntap-20231016-0001/(Third Party Advisory)
  • https://security.netapp.com/advisory/ntap-20240426-0007/(Third Party Advisory)
  • https://security.netapp.com/advisory/ntap-20240621-0006/(Exploit, Third Party Advisory)
  • https://security.netapp.com/advisory/ntap-20240621-0007/(Third Party Advisory)
  • https://security.paloaltonetworks.com/CVE-2023-44487(Vendor Advisory)
  • https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.14(Release Notes)
  • https://ubuntu.com/security/CVE-2023-44487(Vendor Advisory)
  • https://www.bleepingcomputer.com/news/security/new-http-2-rapid-reset-zero-day-attack-breaks-ddos-records/(Third Party Advisory)
  • https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487(Third Party Advisory, US Government Resource)
  • https://www.darkreading.com/cloud/internet-wide-zero-day-bug-fuels-largest-ever-ddos-event(Press/Media Coverage, Third Party Advisory)
  • https://www.debian.org/security/2023/dsa-5521(Mailing List, Vendor Advisory)
  • https://www.debian.org/security/2023/dsa-5522(Mailing List, Vendor Advisory)
  • https://www.debian.org/security/2023/dsa-5540(Mailing List, Third Party Advisory)
  • https://www.debian.org/security/2023/dsa-5549(Mailing List, Third Party Advisory)
  • https://www.debian.org/security/2023/dsa-5558(Mailing List, Third Party Advisory)
  • https://www.debian.org/security/2023/dsa-5570(Third Party Advisory)
  • https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487(Third Party Advisory, Vendor Advisory)
  • https://www.netlify.com/blog/netlify-successfully-mitigates-cve-2023-44487/(Vendor Advisory)
  • https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/(Mitigation, Vendor Advisory)
  • https://www.openwall.com/lists/oss-security/2023/10/10/6(Mailing List, Third Party Advisory)
  • https://www.phoronix.com/news/HTTP2-Rapid-Reset-Attack(Press/Media Coverage)
  • https://www.theregister.com/2023/10/10/http2_rapid_reset_zeroday/(Press/Media Coverage, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/13/4(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/13/9(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/18/4(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/18/8(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/19/6(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2023/10/20/8(Mailing List, Third Party Advisory)
  • http://www.openwall.com/lists/oss-security/2025/08/13/6(Third Party Advisory)
  • https://access.redhat.com/security/cve/cve-2023-44487(Vendor Advisory)
  • https://arstechnica.com/security/2023/10/how-ddosers-used-the-http-2-protocol-to-deliver-attacks-of-unprecedented-size/(Press/Media Coverage, Third Party Advisory)
  • https://aws.amazon.com/security/security-bulletins/AWS-2023-011/(Third Party Advisory)
  • https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/(Technical Description, Vendor Advisory)
  • https://blog.cloudflare.com/zero-day-rapid-reset-http2-record-breaking-ddos-attack/(Third Party Advisory, Vendor Advisory)
  • https://blog.litespeedtech.com/2023/10/11/rapid-reset-http-2-vulnerablilty/(Vendor Advisory)
  • https://blog.qualys.com/vulnerabilities-threat-research/2023/10/10/cve-2023-44487-http-2-rapid-reset-attack(Press/Media Coverage, Third Party Advisory)
  • https://blog.vespa.ai/cve-2023-44487/(Vendor Advisory)
  • https://bugzilla.proxmox.com/show_bug.cgi?id=4988(Issue Tracking, Third Party Advisory)
  • https://bugzilla.redhat.com/show_bug.cgi?id=2242803(Issue Tracking, Vendor Advisory)
  • https://bugzilla.suse.com/show_bug.cgi?id=1216123(Issue Tracking, Vendor Advisory)
  • https://cgit.freebsd.org/ports/commit/?id=c64c329c2c1752f46b73e3e6ce9f4329be6629f9(Mailing List, Patch, Vendor Advisory)
  • https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/(Technical Description, Vendor Advisory)
  • https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack(Technical Description, Vendor Advisory)
  • https://community.traefik.io/t/is-traefik-vulnerable-to-cve-2023-44487/20125(Vendor Advisory)
  • https://discuss.hashicorp.com/t/hcsec-2023-32-vault-consul-and-boundary-affected-by-http-2-rapid-reset-denial-of-service-vulnerability-cve-2023-44487/59715(Third Party Advisory)
  • https://edg.io/lp/blog/resets-leaks-ddos-and-the-tale-of-a-hidden-cve(Broken Link)
  • https://forums.swift.org/t/swift-nio-http2-security-update-cve-2023-44487-http-2-dos/67764(Vendor Advisory)
  • https://gist.github.com/adulau/7c2bfb8e9cdbe4b35a5e131c66a0c088(Issue Tracking, Patch)
  • https://github.com/Azure/AKS/issues/3947(Issue Tracking)
  • https://github.com/Kong/kong/discussions/11741(Issue Tracking)
  • https://github.com/advisories/GHSA-qppj-fm5r-hxr3(Vendor Advisory)
  • https://github.com/advisories/GHSA-vx74-f528-fxqg(Mitigation, Patch, Vendor Advisory)
  • https://github.com/advisories/GHSA-xpw8-rcwv-8f8p(Patch, Vendor Advisory)
  • https://github.com/akka/akka-http/issues/4323(Issue Tracking)
  • https://github.com/alibaba/tengine/issues/1872(Issue Tracking)
  • https://github.com/apache/apisix/issues/10320(Issue Tracking)
  • https://github.com/apache/httpd-site/pull/10(Issue Tracking)
  • https://github.com/apache/httpd/blob/afcdbeebbff4b0c50ea26cdd16e178c0d1f24152/modules/http2/h2_mplx.c#L1101-L1113(Product)
  • https://github.com/apache/tomcat/tree/main/java/org/apache/coyote/http2(Product, Third Party Advisory)
  • https://github.com/apache/trafficserver/pull/10564(Issue Tracking, Patch)
  • https://github.com/arkrwn/PoC/tree/main/CVE-2023-44487(Vendor Advisory)
  • https://github.com/bcdannyboy/CVE-2023-44487(Third Party Advisory)
  • https://github.com/caddyserver/caddy/issues/5877(Issue Tracking, Vendor Advisory)
  • https://github.com/caddyserver/caddy/releases/tag/v2.7.5(Release Notes, Third Party Advisory)
  • https://github.com/dotnet/announcements/issues/277(Issue Tracking, Mitigation, Vendor Advisory)
  • https://github.com/dotnet/core/blob/e4613450ea0da7fd2fc6b61dfb2c1c1dec1ce9ec/release-notes/6.0/6.0.23/6.0.23.md?plain=1#L73(Product, Release Notes)
  • https://github.com/eclipse/jetty.project/issues/10679(Issue Tracking)
  • https://github.com/envoyproxy/envoy/pull/30055(Issue Tracking, Patch)
  • https://github.com/etcd-io/etcd/issues/16740(Issue Tracking, Patch)
  • https://github.com/facebook/proxygen/pull/466(Issue Tracking, Patch)
  • https://github.com/golang/go/issues/63417(Issue Tracking)
  • https://github.com/grpc/grpc-go/pull/6703(Issue Tracking, Patch)
  • https://github.com/h2o/h2o/pull/3291(Issue Tracking, Patch)
  • https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf(Vendor Advisory)
  • https://github.com/haproxy/haproxy/issues/2312(Issue Tracking)
  • https://github.com/icing/mod_h2/blob/0a864782af0a942aa2ad4ed960a6b32cd35bcf0a/mod_http2/README.md?plain=1#L239-L244(Product)
  • https://github.com/junkurihara/rust-rpxy/issues/97(Issue Tracking)
  • https://github.com/kazu-yamamoto/http2/commit/f61d41a502bd0f60eb24e1ce14edc7b6df6722a1(Patch)
  • https://github.com/kazu-yamamoto/http2/issues/93(Issue Tracking)
  • https://github.com/kubernetes/kubernetes/pull/121120(Issue Tracking, Patch)
  • https://github.com/line/armeria/pull/5232(Issue Tracking, Patch)
  • https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632(Patch)
  • https://github.com/micrictor/http2-rst-stream(Exploit, Third Party Advisory)
  • https://github.com/microsoft/CBL-Mariner/pull/6381(Issue Tracking, Patch)
  • https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61(Patch)
  • https://github.com/nghttp2/nghttp2/pull/1961(Issue Tracking, Patch)
  • https://github.com/nghttp2/nghttp2/releases/tag/v1.57.0(Release Notes)
  • https://github.com/ninenines/cowboy/issues/1615(Issue Tracking)
  • https://github.com/nodejs/node/pull/50121(Issue Tracking)
  • https://github.com/openresty/openresty/issues/930(Issue Tracking)
  • https://github.com/opensearch-project/data-prepper/issues/3474(Issue Tracking, Patch)
  • https://github.com/oqtane/oqtane.framework/discussions/3367(Issue Tracking)
  • https://github.com/projectcontour/contour/pull/5826(Issue Tracking, Patch)
  • https://github.com/tempesta-tech/tempesta/issues/1986(Issue Tracking)
  • https://github.com/varnishcache/varnish-cache/issues/3996(Issue Tracking)
  • https://groups.google.com/g/golang-announce/c/iNNxDTCjZvo(Mailing List, Release Notes, Vendor Advisory)
  • https://istio.io/latest/news/security/istio-security-2023-004/(Vendor Advisory)
  • https://linkerd.io/2023/10/12/linkerd-cve-2023-44487/(Vendor Advisory)
  • https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q(Mailing List)
  • https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html(Mailing List, Third Party Advisory)
  • https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html(Mailing List)
  • https://lists.debian.org/debian-lts-announce/2023/10/msg00024.html(Mailing List)
  • https://lists.debian.org/debian-lts-announce/2023/10/msg00045.html(Mailing List)
  • https://lists.debian.org/debian-lts-announce/2023/10/msg00047.html(Mailing List)
  • https://lists.debian.org/debian-lts-announce/2023/11/msg00001.html(Mailing List)
  • https://lists.debian.org/debian-lts-announce/2023/11/msg00012.html(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MBEPPC36UBVOZZNAXFHKLFGSLCMN5LI/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3N4NJ7FR4X4FPZUGNTQAPSTVB2HB2Y4A/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFQD3KUEMFBHPAPBGLWQC34L4OWL5HAZ/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E72T67UPDRXHIDLO3OROR25YAMN4GGW5/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNA62Q767CFAFHBCDKYNPBMZWB7TWYVU/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HT7T2R4MQKLIF4ODV4BDLPARWFPCJ5CZ/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JMEXY22BFG5Q64HQCM5CK2Q7KDKVV4TY/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LKYHSZQFDNR7RSA7LHVLLIAQMVYCUGBG/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LNMZJCDHGLJJLXO4OXWJMTVQRNWOC7UL/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHUHTSXLXGXS7JYKBXTA3VINUPHTNGVU/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VSRDIV77HNKUSM7SJC5BKE5JSHLHU2NK/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WE2I52RHNNU42PX6NZ2RBUHSFFJ2LVZX/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WLPRQ5TWUQQXYWBJM7ECYDAIL2YVKIUH/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X6QXN4ORIVF6XBW4WWFE7VNPVC74S45Y/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZB43REMKRQR62NJEI7I5NQ4FSXNLBKRT/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3/(Mailing List)
  • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4/(Mailing List, Third Party Advisory)
  • https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html(Mailing List, Third Party Advisory)
  • https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html(Mailing List, Patch, Third Party Advisory)
  • https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html(Third Party Advisory)
  • https://msrc.microsoft.com/blog/2023/10/microsoft-response-to-distributed-denial-of-service-ddos-attacks-against-http/2/(Patch, Vendor Advisory)
  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-44487(Mitigation, Patch, Vendor Advisory)
  • https://my.f5.com/manage/s/article/K000137106(Vendor Advisory)
  • https://netty.io/news/2023/10/10/4-1-100-Final.html(Release Notes, Vendor Advisory)
  • https://news.ycombinator.com/item?id=37830987(Issue Tracking)
  • https://news.ycombinator.com/item?id=37830998(Issue Tracking, Press/Media Coverage)
  • https://news.ycombinator.com/item?id=37831062(Issue Tracking)
  • https://news.ycombinator.com/item?id=37837043(Issue Tracking)
  • https://openssf.org/blog/2023/10/10/http-2-rapid-reset-vulnerability-highlights-need-for-rapid-response/(Third Party Advisory)
  • https://seanmonstar.com/post/730794151136935936/hyper-http2-rapid-reset-unaffected(Third Party Advisory)
  • https://security.gentoo.org/glsa/202311-09(Third Party Advisory)
  • https://security.netapp.com/advisory/ntap-20231016-0001/(Third Party Advisory)
  • https://security.netapp.com/advisory/ntap-20240426-0007/(Third Party Advisory)
  • https://security.netapp.com/advisory/ntap-20240621-0006/(Exploit, Third Party Advisory)
  • https://security.netapp.com/advisory/ntap-20240621-0007/(Third Party Advisory)
  • https://security.paloaltonetworks.com/CVE-2023-44487(Vendor Advisory)
  • https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.14(Release Notes)
  • https://ubuntu.com/security/CVE-2023-44487(Vendor Advisory)
  • https://www.bleepingcomputer.com/news/security/new-http-2-rapid-reset-zero-day-attack-breaks-ddos-records/(Third Party Advisory)
  • https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487(Third Party Advisory, US Government Resource)
  • https://www.darkreading.com/cloud/internet-wide-zero-day-bug-fuels-largest-ever-ddos-event(Press/Media Coverage, Third Party Advisory)
  • https://www.debian.org/security/2023/dsa-5521(Mailing List, Vendor Advisory)
  • https://www.debian.org/security/2023/dsa-5522(Mailing List, Vendor Advisory)
  • https://www.debian.org/security/2023/dsa-5540(Mailing List, Third Party Advisory)
  • https://www.debian.org/security/2023/dsa-5549(Mailing List, Third Party Advisory)
  • https://www.debian.org/security/2023/dsa-5558(Mailing List, Third Party Advisory)
  • https://www.debian.org/security/2023/dsa-5570(Third Party Advisory)
  • https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487(Third Party Advisory, Vendor Advisory)
  • https://www.netlify.com/blog/netlify-successfully-mitigates-cve-2023-44487/(Vendor Advisory)
  • https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/(Mitigation, Vendor Advisory)
  • https://www.openwall.com/lists/oss-security/2023/10/10/6(Mailing List, Third Party Advisory)
  • https://www.phoronix.com/news/HTTP2-Rapid-Reset-Attack(Press/Media Coverage)
  • https://www.theregister.com/2023/10/10/http2_rapid_reset_zeroday/(Press/Media Coverage, Third Party Advisory)
  • https://www.vicarius.io/vsociety/posts/rapid-reset-cve-2023-44487-dos-in-http2-understanding-the-root-cause(Third Party Advisory)
  • https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-44487(US Government Resource)

Related News (1 articles)

Tier B
CERT-FR6d ago
Multiples vulnérabilités dans les produits VMware (19 mars 2026)
→ No new info (linked only)
CVSS 3.17.5 HIGH
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA KEV✅ Yes
Actively exploited✅ Yes
CWECWE-400
Published10/10/2023
Last enriched4h ago
Trending Score47
Source articles1
Independent1
Info Completeness10/14
Missing: epss, patch, iocs, mitre_attack

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