PT-2021-4533 · FFmpeg+5 · Ffmpeg+5
Published
2019-09-11
·
Updated
2025-07-11
·
CVE-2020-22020
CVSS v3.1
6.5
Medium
| Vector | AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
FFmpeg version 4.2
Description
The issue is related to a Buffer Overflow vulnerability in the build diff map function in libavfilter/vf fieldmatch.c. This could allow a remote malicious user to cause a Denial of Service.
Recommendations
For FFmpeg version 4.2, consider disabling the build diff map function in libavfilter/vf fieldmatch.c as a temporary workaround until a patch is available. Restrict access to the affected library to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
DoS
Buffer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Ffmpeg
Linuxmint
Suse
Ubuntu