CVE-2016-6920

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-01-23 · updated 2026-06-17
Weakness: CWE-119

Description

Heap-based buffer overflow in the decode_block function in libavcodec/exr.c in FFmpeg before 3.1.3 allows remote attackers to cause a denial of service (application crash) via vectors involving tile positions.

Affected products

FFmpeg: through 3.1.2

References

http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit%3Bh=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
http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit%3Bh=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

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