Bug 2529812 - CVE-2026-86142 mingw-libxml2: libxml2: Heap-based buffer overflow in xmlXPtrEval due to xpointer length saturation [epel-all]
Summary: CVE-2026-86142 mingw-libxml2: libxml2: Heap-based buffer overflow in xmlXPtrE...
Keywords:
Status: NEW
Alias: None
Product: Fedora EPEL
Classification: Fedora
Component: mingw-libxml2
Version: epel10
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Richard W.M. Jones
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["20a5a939-51f9-4a80-93ff-5...
Depends On:
Blocks: CVE-2026-86142
TreeView+ depends on / blocked
 
Reported: 2026-09-08 14:04 UTC by Srikanth Balasubramanian
Modified: 2026-09-08 14:04 UTC (History)
2 users (show)

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

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Description Srikanth Balasubramanian 2026-09-08 14:04:24 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, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation.
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