NULL pointer dereference in FFmpeg - CVE-2025-7700
Published: September 19, 2025
Vulnerability identifier: #VU115966
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-7700
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ffmpeg.sourceforge.net
Affected software:
FFmpeg
FFmpeg
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the decode_init() function in the ALS audio decoder. A remote attacker can pass specially crafted image to the application and perform a denial of service (DoS) attack.
How to mitigate CVE-2025-7700
Install updates from vendor's website.