Zero Day MonitorZDM
DashboardVulnerabilitiesTrendingZero-DaysNewsAbout
Login
ImpressumPrivacy Policy
Zero Day Monitor © 2026
5126 articles · 251711 vulns · 37/41 feeds (7d)
← Back to list
5.3
CVE-2026-110926EXPLOITEDPATCHED
red hat · red hat enterprise linux

Openssh: openssh: shared lz77 compression dictionary leaks plaintext across channels

Description

A flaw was found in OpenSSH. When compression is negotiated, channels on the same connection share one LZ77 dictionary. A peer who can write on one channel can recover plaintext from another channel by chosen-plaintext lengths.

Affected Products

VendorProductVersions
red hatred hat enterprise linux—

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
open sourceopen source opensshcert_advisory90%

References

  • https://access.redhat.com/errata/RHSA-2026:82247(vendor-advisory, x_refsource_REDHAT)
  • https://access.redhat.com/security/cve/CVE-2026-110926(vdb-entry, x_refsource_REDHAT)
  • https://bugzilla.redhat.com/show_bug.cgi?id=2553035(issue-tracking, x_refsource_REDHAT)

Related News (3 articles)

Tier B
CERT-FR18h ago
Multiples vulnérabilités dans les produits VMware (26 octobre 2026)
→ No new info (linked only)
Tier B
BSI Advisories11d ago
[NEU] [UNGEPATCHT] [hoch] OpenSSH: Mehrere Schwachstellen
→ No new info (linked only)
Tier C
VulDB11d ago
CVE-2026-110926 | Red Hat Enterprise Linux Compression missing encryption
→ No new info (linked only)

Discussion (0)

Loading…

CVSS 3.15.3 NONE
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
10.5p1-1.2.hum1
CWECWE-203
PublishedOct 15, 2026
Last enriched11d ago
Tags
remote code executionfile manipulationdenial of servicemultiple vulnerabilities
Trending Score50
Source articles3
Independent3
Info Completeness5/14
Missing: vendor, product, versions, epss, kev, exploit, patch, iocs, mitre_attack

Community Vote

0
Login to vote
0 upvotes0 downvotes
No votes yet

Related CVEs (5)

NONECVE-2026-103242EXP
Rpm: heap-based buffer overflow write in hex2binv() via a mistyped rpmtag_filesignatures header tag
Trending: 54
NONECVE-2026-18477EXP
Tar: tar: toctou in incremental dumpdir 'x' rename handling allows restore path escape
Trending: 51
NONECVE-2026-18508EXP
Tar: tar: --one-top-level hardlink targets not confined to top-level directory enabling arbitrary file overwrite
Trending: 51
NONECVE-2026-18739EXP
Popt-devel: popt-static: off-by-one in poptstuffargs
Trending: 51
NONECVE-2026-18839EXP
Popt-devel: popt-static: size_t underflow in singleoptionhelp
Trending: 50

Pin to Dashboard

Verification

State: verified
Confidence: 100%

Vulnerability Timeline

CVE Published
Oct 15, 2026
Discovered by ZDM
Oct 15, 2026
Actively Exploited
Oct 19, 2026
Exploit Available
Oct 19, 2026
Patch Available
Oct 19, 2026