What’s Vulnerable › Vulnerabilities

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

• Severity: low (CVSS 3.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-08-05 · updated 2026-06-17
• Weakness: CWE-404

Description

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.

Affected products

• libav: through 12.3

References

• https://drive.google.com/file/d/1OwDNHuTbZFNTDX9afmvez_old3oRC7dM/view?usp=sharing
• https://trac.ffmpeg.org/ticket/11679
• https://vuldb.com/?ctiid.318817
• https://vuldb.com/?id.318817
• https://vuldb.com/?submit.621824
• https://trac.ffmpeg.org/ticket/11679

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