CVE-2026-86140 PUBLISHED

Assigner: mitre
Reserved: 05.09.2026 Published: 05.09.2026 Updated: 05.09.2026

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

Metrics

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS Score: 8

Product Status

Vendor xmlsoft
Product libxml2
Versions Default: unaffected
  • affected from 0 to 2.15.4 (excl.)

References

Problem Types

  • CWE-121 Stack-based Buffer Overflow CWE