Critical severity9.8NVD Advisory· Published Apr 28, 2020· Updated Jun 17, 2026
CVE-2020-12284
CVE-2020-12284
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*+ 2 more
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- FFmpeg/libavcodec/cbs_jpeg.cdescription
Patches
Vulnerability mechanics
References
6- github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726nvdPatchThird Party Advisory
- github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99nvdPatchThird Party Advisory
- bugs.chromium.org/p/oss-fuzz/issues/detailnvdExploitIssue TrackingVendor Advisory
- security.gentoo.org/glsa/202007-58nvdThird Party Advisory
- usn.ubuntu.com/4431-1/nvdThird Party Advisory
- www.debian.org/security/2020/dsa-4722nvdThird Party Advisory
News mentions
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