CVE-2025-8584CWE-404CWE-476

libav AVI File Parser buffer.c av_buffer_unref null pointer dereference

Medium · published August 5, 2025

CVSS v4.0
4.8
EPSS
0%
Percentile
11.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00220 · 11.8th percentile
Weaknesses
CWE-404 · Improper Resource Shutdown or Release; CWE-476 · NULL Pointer Dereference
Published
2025-08-05T16:32Z
EPSS history
Timeline
  • 05 AUG 16:32Z
    libav AVI File Parser buffer.c av_buffer_unref null pointer dereference
    cvelistv5