CVE-2025-8584

Name: CVE-2025-8584
Creator: NVD / NIST
Published: 2025-08-05T17:15:30.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2025-8584 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. 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. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

3.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS 4.0

1.9/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.20%

9.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Libav	Libav	<= 12.3

References

https://drive.google.com/file/d/1OwDNHuTbZFNTDX9afmvez_old3oRC7dM/view?usp=sharingExploit
https://trac.ffmpeg.org/ticket/11679Exploit
https://vuldb.com/?ctiid.318817Permissions Required, VDB Entry
https://vuldb.com/?id.318817Third Party Advisory, VDB Entry
https://vuldb.com/?submit.621824Third Party Advisory, VDB Entry
https://trac.ffmpeg.org/ticket/11679Exploit

Timeline

Published: Aug 5, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-8584?

How severe is CVE-2025-8584?

CVE-2025-8584 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8584?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-8584?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST