Vulnerability Description
cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG_MARKER_SOS handling because of a missing length check.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ffmpeg | Ffmpeg | 4.1 |
| Canonical | Ubuntu Linux | 16.04 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19734ExploitIssue TrackingVendor Advisory
- https://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726PatchThird Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99PatchThird Party Advisory
- https://security.gentoo.org/glsa/202007-58Third Party Advisory
- https://usn.ubuntu.com/4431-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4722Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19734ExploitIssue TrackingVendor Advisory
- https://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726PatchThird Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99PatchThird Party Advisory
- https://security.gentoo.org/glsa/202007-58Third Party Advisory
- https://usn.ubuntu.com/4431-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4722Third Party Advisory
FAQ
What is CVE-2020-12284?
CVE-2020-12284 is a vulnerability with a CVSS score of 9.8 (CRITICAL). cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG_MARKER_SOS handling because of a missing length check.
How severe is CVE-2020-12284?
CVE-2020-12284 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-2020-12284?
Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg, Canonical Ubuntu Linux, Debian Debian Linux.