Vulnerability Description
The ff_mpv_common_init function in libavcodec/mpegvideo.c in FFmpeg before 2.7.2 does not properly maintain the encoding context, which allows remote attackers to cause a denial of service (invalid pointer access) or possibly have unspecified other impact via crafted MPEG data.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ffmpeg | Ffmpeg | <= 2.7.1 |
Related Weaknesses (CWE)
References
- http://ffmpeg.org/security.html
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=b160fc290cf49b516c5b6ee0730
- http://www.securitytracker.com/id/1033483
- https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
- http://ffmpeg.org/security.html
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=b160fc290cf49b516c5b6ee0730
- http://www.securitytracker.com/id/1033483
- https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
FAQ
What is CVE-2015-6821?
CVE-2015-6821 is a vulnerability with a CVSS score of 7.5 (HIGH). The ff_mpv_common_init function in libavcodec/mpegvideo.c in FFmpeg before 2.7.2 does not properly maintain the encoding context, which allows remote attackers to cause a denial of service (invalid po...
How severe is CVE-2015-6821?
CVE-2015-6821 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-6821?
Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg.