Paper/Archive/CVE-2020-12284

CVE-2020-12284

mitre — 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…

EPSS 4%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 90.1.901 × 2018.0 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

n/an/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refgithub.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726 refbugs.chromium.org/p/oss-fuzz/issues/detail?id=19734 advisorydebian.org/security/2020/dsa-4722 advisoryusn.ubuntu.com/4431-1 advisorysecurity.gentoo.org/glsa/202007-58 refgithub.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99