Vulnerability Details CVE-2020-12284
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.051
EPSS Ranking 89.4%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 10.0
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19734
- https://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726
- https://github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99
- https://security.gentoo.org/glsa/202007-58
- https://usn.ubuntu.com/4431-1/
- https://www.debian.org/security/2020/dsa-4722
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19734
- https://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726
- https://github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99
- https://security.gentoo.org/glsa/202007-58
- https://usn.ubuntu.com/4431-1/
- https://www.debian.org/security/2020/dsa-4722
Products affected by CVE-2020-12284
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cpe:2.3:a:ffmpeg:ffmpeg:4.1
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cpe:2.3:a:ffmpeg:ffmpeg:4.2.2
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:canonical:ubuntu_linux:18.04
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cpe:2.3:o:canonical:ubuntu_linux:20.04
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cpe:2.3:o:debian:debian_linux:10.0