Vulnerability 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.
CVSS Score
9.8
CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ffmpeg | Ffmpeg | <= 2.8.9 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/97664Third Party AdvisoryVDB Entry
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=444Third Party AdvisoryVDB Entry
- https://github.com/FFmpeg/FFmpeg/commit/e371f031b942d73e02c090170975561fabd5c264PatchThird Party Advisory
- http://www.securityfocus.com/bid/97664Third Party AdvisoryVDB Entry
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=444Third Party AdvisoryVDB Entry
- https://github.com/FFmpeg/FFmpeg/commit/e371f031b942d73e02c090170975561fabd5c264PatchThird Party Advisory
FAQ
What is CVE-2017-7866?
CVE-2017-7866 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2017-7866?
CVE-2017-7866 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-7866?
Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg.