ubuntu-cve-2020-20891
Vulnerability from osv_ubuntu
Published
2021-09-20 16:15
Modified
2026-01-20 04:57
Summary
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.
Severity
8.8 (High)
N/A (UNKNOWN)
References
{
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},
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},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "qtwebengine-opensource-src",
"purl": "pkg:deb/ubuntu/qtwebengine-opensource-src@5.15.19+dfsg2-1?arch=source\u0026distro=questing"
},
"ranges": [
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],
"aliases": [],
"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.",
"id": "UBUNTU-CVE-2020-20891",
"modified": "2026-01-20T04:57:36Z",
"published": "2021-09-20T16:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-20891"
},
{
"type": "REPORT",
"url": "https://trac.ffmpeg.org/ticket/8282"
},
{
"type": "REPORT",
"url": "https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/64a805883d7223c868a683f0030837d859edd2ab"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-20891"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2020-20891"
],
"withdrawn": "2026-03-03T05:06:45Z"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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