CVE-2025-8584

Public Exploit
libav AVI File Parser buffer.c av_buffer_unref null pointer dereference

Description

A vulnerability classified as problematic was found in libav up to 12.3. Affected by this vulnerability is the function av_buffer_unref of the file libavutil/buffer.c of the component AVI File Parser. The manipulation leads to null pointer dereference. Local access is required to approach this attack. 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.318817 technical description vdb entry
https://vuldb.com/?ctiid.318817 signature permissions required
https://vuldb.com/?submit.621824 third party advisory
https://trac.ffmpeg.org/ticket/11679 issue tracking
https://drive.google.com/file/d/1OwDNHuTbZFNTDX9afmvez_old3oRC7dM/view?usp=sharing exploit

Frequently Asked Questions

What is the severity of CVE-2025-8584?
CVE-2025-8584 has been scored as a medium severity vulnerability.
How to fix CVE-2025-8584?
To fix CVE-2025-8584, 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-2025-8584 being actively exploited in the wild?
It is possible that CVE-2025-8584 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-2025-8584?
CVE-2025-8584 affects n/a libav.
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