DEBIAN-CVE-2020-21697

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Source
https://security-tracker.debian.org/tracker/CVE-2020-21697
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-21697.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2020-21697
Upstream
Published
2021-08-10T21:15:07Z
Modified
2025-09-25T23:26:35.603090Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A heap-use-after-free in the mpegmuxwrite_packet function in libavformat/mpegenc.c of FFmpeg 4.2 allows to cause a denial of service (DOS) via a crafted avi file.

References

Affected packages

Debian:11 / ffmpeg

Package

Name
ffmpeg
Purl
pkg:deb/debian/ffmpeg?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7:4.3.3-0+deb11u1

Affected versions

7:4.*

7:4.3.2-0+deb11u2
7:4.3.2-1
7:4.3.2-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / ffmpeg

Package

Name
ffmpeg
Purl
pkg:deb/debian/ffmpeg?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7:4.4-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / ffmpeg

Package

Name
ffmpeg
Purl
pkg:deb/debian/ffmpeg?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7:4.4-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / ffmpeg

Package

Name
ffmpeg
Purl
pkg:deb/debian/ffmpeg?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7:4.4-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}