Buffer overflow in Ffmpeg
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.038 (89.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: +0.001
Affected products
- Ffmpeg — versions 4.1, 4.2.2
- Canonical Ubuntu Linux — versions 16.04, 18.04, 20.04
- Debian Linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726 (Patch, Third Party Advisory)
- bugs.chromium.org/p/oss-fuzz/issues/detail (Exploit, Issue Tracking, Vendor Advisory)
- www.debian.org/security/2020/dsa-4722 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4431-1/ (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202007-58 (vendor-advisory, Third Party Advisory)
- github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12284?
- CVE-2020-12284 is a critical-severity vulnerability in Ffmpeg, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-04-28.
- How severe is CVE-2020-12284?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-12284 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.