6.9Medium
CVE-2026-86138
Description
In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow.
Weakness (CWE):
CWE-190
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
References and patches
CPE matches (NVD) (1)
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*< 2.15.4