CVE-2025-8584: libav AVI File Parser buffer.c av_buffer_unref null pointer dereference

Published Aug 5, 2025
·
Updated

A vulnerability classified as problematic was found in libav up to 12.3. Affected by this vulnerability is the function avbufferunref 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.

Affected Software

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

Event History

Aug 5, 2025
CVE Published
via MITRE·04:32 PM
Data Sourced
via MITRE·04:32 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Jun 20, 58473
Event
via NVD·05:43 PM

Frequently Asked Questions

1

What is the severity of CVE-2025-8584?

CVE-2025-8584 is classified as a problematic vulnerability due to its potential to cause a null pointer dereference.

2

How do I fix CVE-2025-8584?

To fix CVE-2025-8584, you should upgrade to a version of Libav that is newer than 12.3.

3

What components are affected by CVE-2025-8584?

CVE-2025-8584 affects the av_buffer_unref function in the libavutil/buffer.c file, specifically in the AVI File Parser component.

4

Who is impacted by CVE-2025-8584?

Users of Libav versions up to 12.3 are impacted by CVE-2025-8584, requiring local access to exploit the vulnerability.

5

What type of vulnerability is CVE-2025-8584?

CVE-2025-8584 is a null pointer dereference vulnerability that can lead to application crashes.

Contact

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