Vulnerability CVE-2016-6920
Published: 2017-01-23   Modified: 2017-01-24

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.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Ffmpeg -> Ffmpeg 

 References:
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
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