Buffer overflow in Ffmpeg
CVE-2020-22033
A heap-based Buffer Overflow Vulnerability exists FFmpeg 4.2 at libavfilter/vf_vmafmotion.c in convolution_y_8bit, which could let a remote malicious user cause a Denial of Service.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Ffmpeg — versions 4.2
- Debian Linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- trac.ffmpeg.org/ticket/8246 (Exploit, Issue Tracking, Vendor Advisory)
- cwe.mitre.org/data/definitions/122.html (Third Party Advisory)
- www.debian.org/security/2021/dsa-4990 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-22033?
- CVE-2020-22033 is a medium-severity vulnerability in Ffmpeg, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-05-27.
- How severe is CVE-2020-22033?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-22033 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.