CVE-2026-86138

libxml2 before 2.15.4 is affected by an integer overflow in xmlDictAddQString (dict.c), which leads to a heap-based buffer overflow . The vulnerability requires a local attack with high complexity , no privileges, and no user interaction, yet can result in high confidentiality and integrity impac...

EUVD-2026-71831

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

CVE-2026-86138

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

CVE-2026-86138

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

CVE-2026-86138

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

PT-2026-86299

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

Linux Distros Unpatched Vulnerability : CVE-2026-86138

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow. CVE-2026-86138 Note that Nessus relies o...