Critical severity · published Apr 28, 2020
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
9.8
CVSS
3.8%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.8% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
FF
Ffmpeg · Ffmpeg
4.1; 4.2.2 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 20.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-12284
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-12284
Exploit
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19734
Patch
https://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726
Patch
https://github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99
Third Party Advisory
https://security.gentoo.org/glsa/202007-58
Third Party Advisory
https://usn.ubuntu.com/4431-1/
Third Party Advisory
https://www.debian.org/security/2020/dsa-4722
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