CVE-2020-20902

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Source
https://cve.org/CVERecord?id=CVE-2020-20902
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-20902.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-20902
Downstream
Related
Published
2021-09-20T16:15:09.463Z
Modified
2026-04-11T20:35:18.395707Z
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

Git / github.com/ffmpeg/ffmpeg

Affected ranges

Type
GIT
Repo
https://github.com/ffmpeg/ffmpeg
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
1529dfb73a5157dcb8762051ec4c8d8341762478
Database specific 
{
    "source": "CPE_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "4.2.1"
        }
    ],
    "cpe": "cpe:2.3:a:ffmpeg:ffmpeg:4.2.1:*:*:*:*:*:*:*"
}

Affected versions

Other
N
n0.*
n0.11-dev
n0.12-dev
n0.8
n1.*
n1.1-dev
n1.2-dev
n1.3-dev
n2.*
n2.0
n2.1-dev
n2.2-dev
n2.3-dev
n2.4-dev
n2.5-dev
n2.6-dev
n2.7-dev
n2.8-dev
n2.9-dev
n3.*
n3.1-dev
n3.2-dev
n3.3-dev
n3.4-dev
n3.5-dev
n4.*
n4.1-dev
n4.2
n4.2-dev
n4.2.1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-20902.json"