Vulnerability CVE-2017-7866
Published: 2017-04-14

Description:
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Ffmpeg -> Ffmpeg 

 References:
http://www.securityfocus.com/bid/97664
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=444
https://github.com/FFmpeg/FFmpeg/commit/e371f031b942d73e02c090170975561fabd5c264
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