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3397 articles · 105691 vulns · 38/41 feeds (7d)
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6.5
CVE-2026-2436

A flaw was found in libsoup's SoupServer. A remote attacker could exploit a use-after-free vulnerability where the `soup_server_disconnect()` function frees connection objects prematurely, even if a T

Description

A flaw was found in libsoup's SoupServer. A remote attacker could exploit a use-after-free vulnerability where the `soup_server_disconnect()` function frees connection objects prematurely, even if a TLS handshake is still pending. If the handshake completes after the connection object has been freed, a dangling pointer is accessed, leading to a server crash and a Denial of Service.

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
ibmibm app connect enterprisecert_advisory90%

References

  • https://access.redhat.com/security/cve/CVE-2026-2436
  • https://bugzilla.redhat.com/show_bug.cgi?id=2442909
  • https://gitlab.gnome.org/GNOME/libsoup/-/issues/501

Related News (2 articles)

Tier B
BSI Advisories2h ago
[NEU] [hoch] IBM App Connect Enterprise: Mehrere Schwachstellen
→ No new info (linked only)
Tier A
Microsoft MSRC6d ago
CVE-2026-2436 Libsoup: libsoup: denial of service via use-after-free in soupserver during tls handshake
→ No new info (linked only)
CVSS 3.16.5 MEDIUM
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
CISA KEV❌ No
Actively exploited❌ No
CWECWE-825
PublishedMar 26, 2026
Last enriched6d ago
Trending Score34
Source articles2
Independent2
Info Completeness5/14
Missing: vendor, product, versions, epss, kev, exploit, patch, iocs, mitre_attack

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Verification

State: verified
Confidence: 100%

Vulnerability Timeline

CVE Published
Mar 26, 2026
Discovered by ZDM
Apr 1, 2026