CVE Tools
Sign in

CVE-2025-8585

libav DSS File Demuxer avconv.c main double free

Published: Aug 5, 2025Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.2%
Top 89.9%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-119CWE-415

Affected Products

libavlibav
LibraryLibrary
OSS Libraries / generic-library
libavn/a
libavoss-projectOSS Librariesaka libavcodec, libavformat

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://drive.google.com/file/d/1I4VVXGys156UdeSTgya_GGxLZxwuxUPw/view?usp=sharing
drive.google.com
https://trac.ffmpeg.org/ticket/11680
trac.ffmpeg.org
https://vuldb.com/?ctiid.318818
vuldb.com
and 2 more references View all →

Timeline

Published
Aug 5, 2025
Last Updated
Apr 29, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-8585 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows