Low severity · published Aug 5, 2025
CVE-2025-8584
A vulnerability classified as problematic was found in libav up to 12.3
3.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libav · Libav
through 12.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-8584
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-8584
Exploit
https://drive.google.com/file/d/1OwDNHuTbZFNTDX9afmvez_old3oRC7dM/view?usp=sharing
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
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