CVE-2020-20891
- Source
- https://cve.org/CVERecord?id=CVE-2020-20891
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-20891.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-20891
- Downstream
- Related
- Published
- 2021-09-20T16:15:08Z
- Modified
- 2026-08-17T00:16:51Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
Buffer Overflow vulnerability in function config_input in libavfilter/vf_gblur.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.
- References
Affected packages
Git / git.ffmpeg.org/ffmpeg.git
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-dev
n4.3-dev
Database specific
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-20891.json"
vanir_signatures
[
{
"deprecated": false,
"digest": {
"function_hash": "5812123969433413664749728480812895768",
"length": 786
},
"id": "CVE-2020-20891-8616516e",
"signature_type": "Function",
"signature_version": "v1",
"source": "https://git.ffmpeg.org/ffmpeg.git@64a805883d7223c868a683f0030837d859edd2ab",
"target": {
"file": "libavfilter/vf_gblur.c",
"function": "config_input"
}
},
{
"deprecated": false,
"digest": {
"line_hashes": [
"140308164302456955343886306517915745377",
"6860359504303513529012831916119332737",
"138465174164862388458175076057970697104",
"46195152818601170111770941279977943669"
],
"threshold": 0.9
},
"id": "CVE-2020-20891-e354d7de",
"signature_type": "Line",
"signature_version": "v1",
"source": "https://git.ffmpeg.org/ffmpeg.git@64a805883d7223c868a683f0030837d859edd2ab",
"target": {
"file": "libavfilter/vf_gblur.c"
}
}
]
vanir_signatures_modified
"2026-08-17T00:16:51Z"