Bug 2528986 (CVE-2026-86138) - CVE-2026-86138 libxml2: libxml2: Arbitrary code execution via heap-based buffer overflow
Summary: CVE-2026-86138 libxml2: libxml2: Arbitrary code execution via heap-based buff...
Keywords:
Status: NEW
Alias: CVE-2026-86138
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: 2530724 2530725 2530726 2530728 2530729 2530730 2530731
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-05 04:31 UTC by OSIDB Bzimport
Modified: 2026-09-09 11:21 UTC (History)
27 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-09-05 04:31:23 UTC 
In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow.
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