CVE-2026-86142

🔶 medium

In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation.

CVSS Score

6.9

Medium

EPSS Score

0.1

Exploit Probability

Published Date

2026-09-05

First Seen: 2026-09-06

This CVE is Lower Risk - more severe than 49.9% of all 353,061 vulnerabilities in our database.

#176,875

Below average severity

Severity Percentile

Last Modified 2026-09-05

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-122

📦 Affected Products 0