CVE-2020-20891 — Classic Buffer Overflow in Ffmpeg

CWE-120 — Classic Buffer Overflow4 documents4 sources
Severity
8.8HIGHNVD
EPSS
0.3%
top 44.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
FfmpegDebian Ffmpeg
Timeline
PublishedSep 20
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages3 packages

▶debiandebian/ffmpeg< ffmpeg 7:4.3-2 (bookworm)
▶Debianffmpeg/ffmpeg< 7:4.3-2+3
▶NVDffmpeg/ffmpeg4.2.1

🔴Vulnerability Details

2
GHSA
GHSA-g25m-r8p8-98wq: Buffer Overflow vulnerability in function config_input in libavfilter/vf_gblur↗2022-05-24
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OSV
CVE-2020-20891: Buffer Overflow vulnerability in function config_input in libavfilter/vf_gblur↗2021-09-20
▶

📋Vendor Advisories

1
Debian
CVE-2020-20891: ffmpeg - Buffer Overflow vulnerability in function config_input in libavfilter/vf_gblur.c...↗2020
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