NULL pointer dereference in Libav
CVE-2025-8586
A vulnerability, which was classified as problematic, was found in libav up to 12.3. This affects the function ff_seek_frame_binary of the file /libavformat/utils.c of the component MPEG File Parser. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. 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.
EPSS: 0.002 (12.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Libav
- N/a Libav — versions 12.0, 12.1, 12.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit)
- cna@vuldb.com (Exploit, exploit)
Frequently asked questions
- What is CVE-2025-8586?
- CVE-2025-8586 is a low-severity vulnerability in Libav, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2025-08-05.
- How severe is CVE-2025-8586?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2025-8586 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.