CVE-2025-8585

Name: CVE-2025-8585
Creator: NVD / NIST
Published: 2025-08-05T17:15:30.3+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2025-8585 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. A vulnerability, which was classified as critical, has been found in libav up to 12.3. Affected by this issue is the function main of the file /avtools/avconv.c of the component DSS File Demuxer. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

Description

A vulnerability, which was classified as critical, has been found in libav up to 12.3. Affected by this issue is the function main of the file /avtools/avconv.c of the component DSS File Demuxer. The manipulation leads to double free. Attacking locally is a requirement. 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

5.3/10

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

CVSS 4.0

1.9/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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%

10.2th 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/1I4VVXGys156UdeSTgya_GGxLZxwuxUPw/view?usp=sharingExploit
https://trac.ffmpeg.org/ticket/11680Exploit
https://vuldb.com/?ctiid.318818Permissions Required, VDB Entry
https://vuldb.com/?id.318818Third Party Advisory, VDB Entry
https://vuldb.com/?submit.621825Third Party Advisory, VDB Entry
https://trac.ffmpeg.org/ticket/11680Exploit
https://vuldb.com/?submit.621825Third Party Advisory, VDB Entry

Timeline

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

Frequently Asked Questions

What is CVE-2025-8585?

How severe is CVE-2025-8585?

CVE-2025-8585 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-2025-8585?

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-2025-8585?

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

Scan your code now

Source: NVD / NIST