CVE-2026-88807

libXrender RenderQueryPictFormats Reply Heap-based Buffer Overflow

State
Published
Severity
8.9 High
Published
Sep 21, 2026
Updated
Sep 22, 2026
Reserved
Sep 10, 2026

Read the record on cve.org

Description

A heap overflow in libXrender before 0.9.13 in RenderQueryPictFormats could be used by malicious X servers to inject code into attached X clients.

Scores

CVSSScoreVectorSource
4.08.9 HighCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:Hsuse

Weaknesses

Affected Products

ProductVersions
libXrenderX.org
  • before 0.9.13Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.