CVE-2026-86138

Summary

In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow.

Affected Software

VendorProductVersion RangeStatus
xmlsoftlibxml20 < 2.15.4affected

Weaknesses

  • CWE-190: CWE-190 Integer Overflow or Wraparound

References