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  4. CVE 2026 109096 xorg server xvputimage negative image size length
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Back to active CVEs
Medium · CVSS 5.5CVE-2026-109096

X.Org Server XvPutImage Negative Image Size Length BypassCVE-2026-109096

Answer in brief

CVE-2026-109096 records a Medium severity (CVSS 5.5) vulnerability in X.Org Server XvPutImage Negative Image Size Length Bypass. The current sources do not mark it as known exploited. The current feed maps X.Org/xorg-x11-server (generic), X.Org/xwayland (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 13, 2026Updated Nov 13, 2026Source checked Nov 13, 2026First seen by HOL Nov 13, 2026Material review Nov 13, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.5
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps X.Org/xorg-x11-server (generic), X.Org/xwayland (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
X.Org/xorg-x11-servergeneric>=0 <21.1.2621.1.26
X.Org/xwaylandgeneric>=0 <24.1.1524.1.15

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for X.Org/xorg-x11-server, X.Org/xwayland.
  2. 2Review the reported fix. Update X.Org/xorg-x11-server to 21.1.26; X.Org/xwayland to 24.1.15 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 13, 2026

Sources and claim methodology

  • Source referencegitlab.freedesktop.org
Upstream source description

Incorrect handling of negative returns from ddQueryImageAttributes() when processing XvPutImage requests in X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by authenticated X clients to crash the X server.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • X.Org Server XvQueryImageAttributes Negative Size ReplySame x.org/xorg-x11-server package
  • X.Org Server XRes QueryClientIds Request Size OverflowSame x.org/xorg-x11-server package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-805
Source
CVE List V5
Source checked
Nov 13, 2026
References
1 linked source
Open source record