CVE-2025-8586

Public Exploit
libav MPEG File Parser utils.c ff_seek_frame_binary null pointer dereference

Description

A vulnerability, which was classified as problematic, was found in libav up to 12.3. This affects the function ff_seek_frame_binary of the file /libavformat/utils.c of the component MPEG File Parser. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The bug was initially reported by the researcher to the wrong project. This vulnerability only affects products that are no longer supported by the maintainer.

Category

4.8
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.01%
Third-Party Advisory vuldb.com
Affected: n/a libav
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.318819 technical description vdb entry
https://vuldb.com/?ctiid.318819 signature permissions required
https://vuldb.com/?submit.621826 third party advisory
https://trac.ffmpeg.org/ticket/11681 issue tracking
https://drive.google.com/file/d/1CX1GZUyJVzyDDGLVa8FG58XUt_30kHKT/view?usp=sharing exploit

Frequently Asked Questions

What is the severity of CVE-2025-8586?
CVE-2025-8586 has been scored as a medium severity vulnerability.
How to fix CVE-2025-8586?
To fix CVE-2025-8586, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-8586 being actively exploited in the wild?
It is possible that CVE-2025-8586 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-8586?
CVE-2025-8586 affects n/a libav.
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