SB2017042029 - Out-of-bounds write in FFmpeg
Published: April 20, 2017 Updated: June 8, 2025
Security Bulletin ID
SB2017042029
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-2017-7866)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.
Remediation
Install update from vendor's website.