High severity · published May 25, 2021
CVE-2020-20450
FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service
7.5
CVSS
1.1%
EPSS
No
On KEV
Description
FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
11.0 · source: NVD
FF
Ffmpeg · Ffmpeg
4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-20450
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-20450
Issue Tracking
https://trac.ffmpeg.org/ticket/7993
Third Party Advisory
https://www.debian.org/security/2021/dsa-4998
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