CVE-2025-0518 MEDIUM

CVE-2025-0518: Unchecked sscanf return value which leads to memory data leak

Vendor Ffmpeg
Product FFmpeg
Weakness CWE-252
Published January 16, 2025
Last update November 3, 2025

CVSS base score

4.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

What the vulnerability does

01Description

Unchecked Return Value, Out-of-bounds Read vulnerability in FFmpeg allows Read Sensitive Constants Within an Executable. This vulnerability is associated with program files https://github.Com/FFmpeg/FFmpeg/blob/master/libavfilter/af_pan.C . This issue affects FFmpeg: 7.1. Issue was fixed:  https://github.com/FFmpeg/FFmpeg/commit/b5b6391d64807578ab872dc58fb8aa621dcfc38a https://github.com/FFmpeg/FFmpeg/commit/b5b6391d64807578ab872dc58fb8aa621dcfc38a This issue was discovered by: Simcha Kosman

Key dates

02Disclosure timeline

January 16, 2025 CVE published
November 3, 2025 Record updated