CVE-2025-8586

Name: CVE-2025-8586
Creator: NVD / NIST
Published: 2025-08-05T18:15:35.493+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2025-8586 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. 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. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

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.

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

0.21%

11.5th 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/1CX1GZUyJVzyDDGLVa8FG58XUt_30kHKT/view?usp=sharingExploit
https://trac.ffmpeg.org/ticket/11681Exploit
https://vuldb.com/?ctiid.318819Permissions Required, VDB Entry
https://vuldb.com/?id.318819Third Party Advisory, VDB Entry
https://vuldb.com/?submit.621826Third Party Advisory, VDB Entry
https://trac.ffmpeg.org/ticket/11681Exploit
https://vuldb.com/?submit.621826Third Party Advisory, VDB Entry

Timeline

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

Frequently Asked Questions

What is CVE-2025-8586?

How severe is CVE-2025-8586?

CVE-2025-8586 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8586?

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-2025-8586?

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

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Source: NVD / NIST