Bug 2528990 (CVE-2026-86142) - CVE-2026-86142 libxml2: libxml2: Heap-based buffer overflow in xmlXPtrEval due to xpointer length saturation
Summary: CVE-2026-86142 libxml2: libxml2: Heap-based buffer overflow in xmlXPtrEval du...
Keywords:
Status: NEW
Alias: CVE-2026-86142
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
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Depends On: 2529811 2529812 2529813
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-05 04:41 UTC by OSIDB Bzimport
Modified: 2026-09-08 14:19 UTC (History)
27 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-09-05 04:41:31 UTC 
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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