CVE-2016-6920: Buffer Overflow
First published: Mon Jan 23 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FFmpeg | <=3.1.2 |
Remedy
http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137
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Reference Links
- 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
- http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit%3Bh=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137
Frequently Asked Questions
What is the severity of CVE-2016-6920?
CVE-2016-6920 is classified as a denial of service vulnerability due to a heap-based buffer overflow.
How do I fix CVE-2016-6920?
To mitigate CVE-2016-6920, upgrade FFmpeg to version 3.1.3 or later.
What software is affected by CVE-2016-6920?
CVE-2016-6920 affects FFmpeg versions prior to 3.1.3.
What type of attack does CVE-2016-6920 enable?
CVE-2016-6920 allows remote attackers to crash the FFmpeg application.
In which function does CVE-2016-6920 occur?
CVE-2016-6920 occurs in the decode_block function within libavcodec/exr.c.
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