Vulnerability Description
The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ffmpeg | Ffmpeg | >= 2.8, <= 3.4.2 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/7414d0bda7763f9bd69c26c068e482abPatchVendor Advisory
- https://github.com/FFmpeg/FFmpeg/commit/e724bd1dd9efea3abb8586d6644ec07694afceaePatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00006.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202003-65Third Party Advisory
- https://www.debian.org/security/2018/dsa-4249Third Party Advisory
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/7414d0bda7763f9bd69c26c068e482abPatchVendor Advisory
- https://github.com/FFmpeg/FFmpeg/commit/e724bd1dd9efea3abb8586d6644ec07694afceaePatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00006.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202003-65Third Party Advisory
- https://www.debian.org/security/2018/dsa-4249Third Party Advisory
FAQ
What is CVE-2018-7557?
CVE-2018-7557 is a vulnerability with a CVSS score of 6.5 (MEDIUM). The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within ...
How severe is CVE-2018-7557?
CVE-2018-7557 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-7557?
Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg, Debian Debian Linux.