Use-after-free in Simple DirectMedia Layer - CVE-2022-34568
Published: August 30, 2022
Vulnerability identifier: #VU66820
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-34568
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the XFree() function in video/x11/SDL_x11yuv.c. A remote attacker can pass specially crafted input to the library, trigger a use-after-free error and perform a denial of service (DoS) attack.
Affected software
Simple DirectMedia Layer
Gentoo Linux
Ubuntu
libsdl1.2debian (Ubuntu package)
Gentoo Linux
Ubuntu
libsdl1.2debian (Ubuntu package)
How to mitigate CVE-2022-34568
Install updates from vendor's website.
Simple DirectMedia Layer - update to 2.0.0
libsdl1.2debian (Ubuntu package) - update to 1.2.15+dfsg13ubuntu0.1+esm2
libsdl1.2debian (Ubuntu package) - update to 1.2.15+dfsg13ubuntu0.1+esm2