PT-2019-6244 · FFmpeg+5 · Ffmpeg+5
Published
2019-09-11
·
Updated
2026-02-06
·
CVE-2020-22037
CVSS v2.0
7.1
High
| Vector | AV:N/AC:M/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
FFmpeg version 4.2
Description
The issue is related to a memory leak in the
avcodec alloc context3 function at options.c in the FFmpeg library. This leak occurs due to incorrect memory deallocation before the last reference is removed. Exploitation of this issue allows a remote attacker to cause a denial of service.Recommendations
For FFmpeg version 4.2, consider disabling the
avcodec alloc context3 function as a temporary workaround until a patch is available. Restrict access to the options.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.Exploit
DoS
Memory Leak
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Ffmpeg
Linuxmint
Suse
Ubuntu