SEPTEMBER 17, 2026
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Case File

CVE-2026-86142

MEDIUM · CVSS 6.9 EPSS 0.15% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-05 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A heap-based buffer overflow vulnerability exists in libxml2 versions prior to 2.15.4, specifically within the xmlXPtrEvalXPtrPart function due to xpointer length saturation. This flaw could allow an attacker to execute arbitrary code or crash the application, impacting systems that utilize this library for XML processing. Organizations using affected versions of libxml2 should prioritize patching to mitigate potential exploitation risks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-86142
Severity
MEDIUM
CVSS
6.9
EPSS
0.15%

Original NVD Description

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

Related CVEs

Other vulnerabilities affecting the same vendor(s)