DEBIAN-CVE-2020-20902

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Source
https://security-tracker.debian.org/tracker/CVE-2020-20902
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-20902.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2020-20902
Upstream
Published
2021-09-20T16:15:09.463Z
Modified
2025-11-19T02:01:12.792336Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

A CWE-125: Out-of-bounds read vulnerability exists in longtermfilter function in g729postfilter.c in FFmpeg 4.2.1 during computation of the denominator of pseudo-normalized correlation R'(0), that could result in disclosure of information.

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
7:4.2.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-20902.json"

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
7:4.2.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-20902.json"

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
7:4.2.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-20902.json"

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
7:4.2.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-20902.json"