Buffer overflow in Ffmpeg
CVE-2020-22026
Buffer Overflow vulnerability exists in FFmpeg 4.2 in the config_input function at libavfilter/af_tremolo.c, 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: 0.014 (70.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Ffmpeg — versions 4.2
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- trac.ffmpeg.org/ticket/8317 (Exploit, Issue Tracking, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2021/08/msg00018.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2021/dsa-4990 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-22026?
- CVE-2020-22026 is a medium-severity vulnerability in Ffmpeg, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2021-05-26.
- How severe is CVE-2020-22026?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-22026 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.