NULL pointer dereference in Ffmpeg
CVE-2020-20450
FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (63.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Ffmpeg — versions 4.2
- Debian Linux — versions 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- trac.ffmpeg.org/ticket/7993 (Issue Tracking, Vendor Advisory)
- www.debian.org/security/2021/dsa-4998 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-20450?
- CVE-2020-20450 is a high-severity vulnerability in Ffmpeg, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2021-05-25.
- How severe is CVE-2020-20450?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-20450 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.