SB2016102010 - Out-of-bounds write in libx11 (Alpine package)
Published: October 20, 2016
Security Bulletin ID
SB2016102010
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) Out-of-bounds write (CVE-ID: CVE-2016-7943)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The XListFonts function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving length fields, which trigger out-of-bounds write operations.
Remediation
Install update from vendor's website.