CVE-2020-20902
- 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
- 2026-06-18T04:05:24.508594954Z
- 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 / git.ffmpeg.org/ffmpeg.git
Affected ranges
- Type
- GIT
- Repo
- https://git.ffmpeg.org/ffmpeg.git
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected
- Database specific
{ "cpe": "cpe:2.3:a:ffmpeg:ffmpeg:4.2.1:*:*:*:*:*:*:*", "source": "CPE_STRING", "extracted_events": [ { "introduced": "0" }, { "last_affected": "4.2.1" } ] }
Git / github.com/ffmpeg/ffmpeg
Affected ranges
- Type
- GIT
- Repo
- https://github.com/ffmpeg/ffmpeg
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected
- Database specific
{ "cpe": "cpe:2.3:a:ffmpeg:ffmpeg:4.2.1:*:*:*:*:*:*:*", "source": "CPE_STRING", "extracted_events": [ { "introduced": "0" }, { "last_affected": "4.2.1" } ] }