7.8

CVE-2026-86142

Medienbericht
In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Xmlsoft ≫ Libxml2 Version < 2.15.4
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.13% 0.03
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
MITRE 6.9 1.4 5.5
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
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().

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VulnDex Intel
Media Report
08.09.2026 20:38
https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4
Release Notes
https://github.com/GNOME/libxml2/commit/6b3a736c0edc74ceec3d82f5252499d7911b3a58
Patch
https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1113
Vendor Advisory