Bug 2529716 - CVE-2026-86140 pcem: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements [fedora-all]
Summary: CVE-2026-86140 pcem: libxml2: Arbitrary code execution via stack-based buffer...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: pcem
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Davide Cavalca
QA Contact:
URL:
Whiteboard: {"flaws": ["e627ff5c-405a-42ae-8089-e...
Depends On:
Blocks: CVE-2026-86140
TreeView+ depends on / blocked
 
Reported: 2026-09-08 08:34 UTC by Srikanth Balasubramanian
Modified: 2026-09-08 08:34 UTC (History)
1 user (show)

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

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Description Srikanth Balasubramanian 2026-09-08 08:34:20 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.

In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow.
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