SB2016122308 - Multiple vulnerabilities in FFmpeg
Published: December 23, 2016 Updated: June 8, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Resource management error (CVE-ID: CVE-2016-6881)
The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.
The zlib_refill function in libavformat/swfdec.c in FFmpeg before 3.1.3 allows remote attackers to cause an infinite loop denial of service via a crafted SWF file.
2) Heap-based buffer overflow (CVE-ID: CVE-2016-6920)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Heap-based buffer overflow in the decode_block function in libavcodec/exr.c in FFmpeg before 3.1.3. A remote attacker can use vectors involving tile positions. to 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.
References
- http://www.openwall.com/lists/oss-security/2016/09/26/6
- http://www.securityfocus.com/bid/93163
- http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137
- http://packetstormsecurity.com/files/138618/ffmpeg-3.1.2-Heap-Overflow.html
- http://www.securityfocus.com/archive/1/539368/100/0/threaded
- http://www.securityfocus.com/bid/92664
- http://www.securityfocus.com/bid/92790
- https://www.ffmpeg.org/security.html