CVE-2025-8585: libav DSS File Demuxer avconv.c main double free

Published Aug 5, 2025
·
Updated

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.

Affected Software

2 affected components
Libav Libav<=12.3
Libav Libav<=12.3

Event History

Aug 5, 2025
CVE Published
via MITRE·05:02 PM
Data Sourced
via MITRE·05:02 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Jun 19, 58473
Event
via NVD·08:49 AM

Frequently Asked Questions

1

What is the severity of CVE-2025-8585?

CVE-2025-8585 is classified as a critical vulnerability.

2

How do I fix CVE-2025-8585?

To fix CVE-2025-8585, upgrade Libav to version 12.4 or later.

3

What component is affected by CVE-2025-8585?

CVE-2025-8585 affects the DSS File Demuxer component in Libav.

4

Is remote exploitation possible for CVE-2025-8585?

No, CVE-2025-8585 requires local exploit capabilities.

5

What impact does CVE-2025-8585 have?

CVE-2025-8585 could lead to a double free vulnerability, potentially causing application crashes.

Contact

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