Vulnerability Description
The allocate_buffers function in libavcodec/alac.c in FFmpeg before 2.7.2 does not initialize certain context data, which allows remote attackers to cause a denial of service (segmentation violation) or possibly have unspecified other impact via crafted Apple Lossless Audio Codec (ALAC) 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=f7068bf277a37479aecde283220
- http://www.securitytracker.com/id/1033483
- https://lists.debian.org/debian-lts-announce/2018/12/msg00010.html
- http://ffmpeg.org/security.html
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=f7068bf277a37479aecde283220
- http://www.securitytracker.com/id/1033483
- https://lists.debian.org/debian-lts-announce/2018/12/msg00010.html
FAQ
What is CVE-2015-6823?
CVE-2015-6823 is a vulnerability with a CVSS score of 7.5 (HIGH). The allocate_buffers function in libavcodec/alac.c in FFmpeg before 2.7.2 does not initialize certain context data, which allows remote attackers to cause a denial of service (segmentation violation) ...
How severe is CVE-2015-6823?
CVE-2015-6823 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-2015-6823?
Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg.