CVE-2026-86142 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
mitre	CNA	6.9 MEDIUM	LOCAL	HIGH	NONE	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Base Score

CVSS 3.x

EPSS Score

Percentile: 3.05%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
xmlsoft	libxml2	𝑥 < 2.15.4	CNA

Debian Releases

Debian Product

Codename

libxml2

bookworm	vulnerable
bookworm (security)	vulnerable
forky	vulnerable
sid	2.15.4+dfsg-1 fixed
trixie	vulnerable
trixie (security)	vulnerable

Common Weakness Enumeration

CWE-122 - Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References

https://github.com/GNOME/libxml2/commit/6b3a736c0edc74ceec3d82f5252499d7911b3a58

https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4

https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1113