VulnerabilityModified

CVE-2016-6920

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.

HIGH 7.5EPSS 2.75%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.0: 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 2.75% probability · 86th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-119
Affected: ffmpeg/ffmpeg
Source: cve@mitre.org

EPSS trend

EPSS 2.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit%3Bh=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137
http://packetstormsecurity.com/files/138618/ffmpeg-3.1.2-Heap-Overflow.htmlThird Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/539368/100/0/threaded
http://www.securityfocus.com/bid/92664Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/92790
https://www.ffmpeg.org/security.htmlVendor Advisory
http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit%3Bh=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137
http://packetstormsecurity.com/files/138618/ffmpeg-3.1.2-Heap-Overflow.htmlThird Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/539368/100/0/threaded
http://www.securityfocus.com/bid/92664Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/92790
https://www.ffmpeg.org/security.htmlVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.