CVE-2025-8584

low-risk
Published 2025-08-05

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.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Libav

References (6)

Exploit https://drive.google.com/file/d/1OwDNHuTbZFNTDX9afmvez_old3oRC7dM/view?usp=shari...
Exploit https://trac.ffmpeg.org/ticket/11679
Permissions Required https://vuldb.com/?ctiid.318817
Third Party Advisory https://vuldb.com/?id.318817
Third Party Advisory https://vuldb.com/?submit.621824
Exploit https://trac.ffmpeg.org/ticket/11679
18
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal