CVE-2026-86138

MEDIUM CVSS 6.9 View on NVD ↗

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

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

Published: Sep 05, 2026 05:17 UTC Modified: Sep 05, 2026 05:17 UTC