CVE-2020-22020

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.