Bug 2539103 - CVE-2026-88807 libXrender: libXrender: Code injection via heap overflow in RenderQueryPictFormats [fedora-all]
Summary: CVE-2026-88807 libXrender: libXrender: Code injection via heap overflow in Re...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: libXrender
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: José Expósito
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["4f9e6a1c-adea-487b-92fd-6...
Depends On:
Blocks: CVE-2026-88807
TreeView+ depends on / blocked
 
Reported: 2026-09-23 07:31 UTC by Vladimir Vasilev
Modified: 2026-09-23 07:31 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:

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Description Vladimir Vasilev 2026-09-23 07:31:56 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

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.
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