Bug 2537924 (CVE-2026-88807) - CVE-2026-88807 libXrender: libXrender: Code injection via heap overflow in RenderQueryPictFormats
Summary: CVE-2026-88807 libXrender: libXrender: Code injection via heap overflow in Re...
Keywords:
Status: NEW
Alias: CVE-2026-88807
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2539103
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-22 16:05 UTC by OSIDB Bzimport
Modified: 2026-10-29 21:27 UTC (History)
2 users (show)

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

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2026:92333 0 None None None 2026-10-29 09:15:05 UTC
Red Hat Product Errata RHSA-2026:91003 0 None None None 2026-10-27 19:59:57 UTC
Red Hat Product Errata RHSA-2026:91057 0 None None None 2026-10-29 21:27:00 UTC
Red Hat Product Errata RHSA-2026:91267 0 None None None 2026-10-27 21:02:18 UTC

Description OSIDB Bzimport 2026-09-22 16:05:10 UTC 
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.
Comment 2 Jon Orris 2026-10-27 19:59:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:91003 https://access.redhat.com/errata/RHSA-2026:91003
Comment 3 Jon Orris 2026-10-27 21:02:18 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:91267 https://access.redhat.com/errata/RHSA-2026:91267
Comment 4 Jon Orris 2026-10-29 21:27:00 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:91057 https://access.redhat.com/errata/RHSA-2026:91057
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