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.
Published: 2026-09-21
Score: 8.9 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 21 Sep 2026 14:00:00 +0000

Type Values Removed Values Added
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.
Title libXrender RenderQueryPictFormats Reply Heap-based Buffer Overflow
First Time appeared X.org
X.org libxrender
Weaknesses CWE-122
CPEs cpe:2.3:a:x.org:libxrender:*:*:*:*:*:*:*:*
Vendors & Products X.org
X.org libxrender
References
Metrics cvssV4_0

{'score': 8.9, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}


Subscriptions

X.org Libxrender
cve-icon MITRE

Status: PUBLISHED

Assigner: suse

Published:

Updated: 2026-09-21T14:48:16.477Z

Reserved: 2026-09-10T08:35:07.010Z

Link: CVE-2026-88807

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-21T14:17:22.410

Modified: 2026-09-21T14:17:22.410

Link: CVE-2026-88807

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses