#VU92206 Out-of-bounds read in FFmpeg - CVE-2023-46407
Published: June 18, 2024
Vulnerability identifier: #VU92206
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-46407
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
FFmpeg
FFmpeg
Software vendor:
ffmpeg.sourceforge.net
ffmpeg.sourceforge.net
Description
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the dist->alphabet_size variable in the read_vlc_prefix() function. A local user can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.
Remediation
Install updates from vendor's website.