CVE-2025-8585
libav DSS File Demuxer avconv.c main double free
Description
A vulnerability, which was classified as critical, has been found in libav up to 12.3. Affected by this issue is the function main of the file /avtools/avconv.c of the component DSS File Demuxer. The manipulation leads to double free. Attacking locally is a requirement. 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.
INFO
Published Date :
Aug. 5, 2025, 5:15 p.m.
Last Modified :
Sept. 4, 2025, 3:36 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update libav to a version that addresses the double free vulnerability.
- Consult the maintainer for supported versions or patches.
- Remove or isolate unsupported and vulnerable software.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-8585.
| URL | Resource |
|---|---|
| https://drive.google.com/file/d/1I4VVXGys156UdeSTgya_GGxLZxwuxUPw/view?usp=sharing | Exploit |
| https://trac.ffmpeg.org/ticket/11680 | Exploit |
| https://vuldb.com/?ctiid.318818 | Permissions Required VDB Entry |
| https://vuldb.com/?id.318818 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.621825 | Third Party Advisory VDB Entry |
| https://trac.ffmpeg.org/ticket/11680 | Exploit |
| https://vuldb.com/?submit.621825 | Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-8585 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-8585
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-8585 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-8585 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 04, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:* versions up to (including) 12.3 Added Reference Type VulDB: https://trac.ffmpeg.org/ticket/11680 Types: Exploit Added Reference Type VulDB: https://vuldb.com/?ctiid.318818 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.318818 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://drive.google.com/file/d/1I4VVXGys156UdeSTgya_GGxLZxwuxUPw/view?usp=sharing Types: Exploit Added Reference Type VulDB: https://vuldb.com/?submit.621825 Types: Third Party Advisory, VDB Entry Added Reference Type CISA-ADP: https://trac.ffmpeg.org/ticket/11680 Types: Exploit Added Reference Type CISA-ADP: https://vuldb.com/?submit.621825 Types: Third Party Advisory, VDB Entry -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 06, 2025
Action Type Old Value New Value Added Reference https://trac.ffmpeg.org/ticket/11680 Added Reference https://vuldb.com/?submit.621825 -
New CVE Received by [email protected]
Aug. 05, 2025
Action Type Old Value New Value Added Tag unsupported-when-assigned Added Description A vulnerability, which was classified as critical, has been found in libav up to 12.3. Affected by this issue is the function main of the file /avtools/avconv.c of the component DSS File Demuxer. The manipulation leads to double free. Attacking locally is a requirement. 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. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:L/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-119 Added CWE CWE-415 Added Reference https://drive.google.com/file/d/1I4VVXGys156UdeSTgya_GGxLZxwuxUPw/view?usp=sharing Added Reference https://trac.ffmpeg.org/ticket/11680 Added Reference https://vuldb.com/?ctiid.318818 Added Reference https://vuldb.com/?id.318818 Added Reference https://vuldb.com/?submit.621825