SB2016052310 - Double free error in gd (Alpine package)
Published: May 23, 2016
Security Bulletin ID
SB2016052310
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Double free error (CVE-ID: CVE-2016-6912)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack and potentially compromise vulnerable system.The vulnerability exists due to double free error when processing large image width and height values in gdImageWebPtr() function in the GD Graphics Library (aka libgd). A remote attacker create a specially crafted image file, trigger double free error and crash the affected application or execute arbitrary code on the target system.
Remediation
Install update from vendor's website.