#VU107134 Reachable assertion in FFmpeg - CVE-2025-22919

Vulnerability identifier: #VU107134

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22919

CWE-ID: CWE-617

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FFmpeg
Universal components / Libraries / Libraries used by multiple products

Vendor: ffmpeg.sourceforge.net

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within the init_audio() function in libavfilter/buffersrc.c. A remote attacker can pass a specially crafted AAC file to the application, trigger an assertion failure and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FFmpeg: 1.0 - 7.1

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External links
https://trac.ffmpeg.org/ticket/11385
https://github.com/ffmpeg/ffmpeg/commit/1446e37d3d032e1452844778b3e6ba2c20f0c322

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.