CVE-2020-22038

Name of the Vulnerable Software and Affected Versions FFmpeg version 4.2

Description The issue is related to a memory leak in the ff v4l2 m2m create context function in v4l2 m2m.c of the FFmpeg multimedia library. This leak occurs due to incorrect memory deallocation before the removal of the last reference. Exploitation of this issue can allow a remote attacker to cause a denial of service.

Recommendations For FFmpeg version 4.2, consider disabling the ff v4l2 m2m create context function as a temporary workaround until a patch is available. Restrict access to the v4l2 m2m.c component to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.