SB2016052010 - Heap-based buffer overflow in libxml2



SB2016052010 - Heap-based buffer overflow in libxml2

Published: May 20, 2016 Updated: May 27, 2025

Security Bulletin ID SB2016052010
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2016-1840)

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

Install update from vendor's website.