CVEvulnerability
CVE-2020-21697
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-08-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-416
Description
A heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c of FFmpeg 4.2 allows to cause a denial of service (DOS) via a crafted avi file.
Affected configurations
• ffmpeg ffmpeg 4.2
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://trac.ffmpeg.org/ticket/8188 Exploit, Issue Tracking, Patch, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4998 Third Party Advisory
- https://trac.ffmpeg.org/ticket/8188 Exploit, Issue Tracking, Patch, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4998 Third Party Advisory