CVE-2022-38861: 
Homebrew vulnerability analysis and mitigation

The MPlayer Project mplayer SVN-r38374-13.0.1 was discovered to contain a memory corruption vulnerability (CVE-2022-38861). The vulnerability exists in the free_mp_image() function of libmpcodecs/mp_image.c and was disclosed on September 15, 2022 (NVD).

The vulnerability is related to memory corruption in the free_mp_image() function within libmpcodecs/mp_image.c. When processing certain malformed media files, the function attempts to free memory with an invalid pointer, leading to memory corruption. The vulnerability has been assigned a CVSS v3.1 base score of 5.5 (Medium), with attack vector being Local, attack complexity Low, requiring no privileges but user interaction, and impacting only availability (Ubuntu).

If successfully exploited, this vulnerability could allow an attacker to cause MPlayer to crash, resulting in a denial of service. In some cases, it might potentially lead to arbitrary code execution (USN Notice).

The vulnerability has been fixed in multiple Ubuntu versions: Ubuntu 22.10 (2:1.4+ds1-3ubuntu1.1), Ubuntu 22.04 LTS (2:1.4+ds1-3ubuntu0.1), Ubuntu 20.04 LTS (2:1.3.0-8+deb10u1build0.20.04.1), and Ubuntu 18.04 LTS (2:1.3.0-7ubuntu0.2). Users are recommended to upgrade their mplayer packages to these versions (USN Notice).