#VU109836 Heap-based buffer overflow in Libxml2 - CVE-2016-1840

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Main Vulnerability Database Vulnerabilities #VU109836

#VU109836 Heap-based buffer overflow in Libxml2 - CVE-2016-1840

Published: May 27, 2025


Vulnerability identifier: #VU109836
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-1840
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Libxml2
Software vendor:
Gnome Development Team

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the xmlFAParsePosCharGroup function in libxml2. A local user can trick the victim into opening a specially crafted XML document, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

External links