Home/CVE/A vulnerability, which was classified as critical, has been found in libav up to 12.3. Affected by this issue is the fun
CVE

CVE-2025-8585

A vulnerability, which was classified as critical, has been found in libav up to 12.3. Affected by this issue is the fun

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.

MEDIUM · CVSS 5.3 EPSS 0.00145
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-415Double Free
▤

Affected Products & Versions

1
libav<= 12.3
⚠

Public Exploits & PoCs

2
pocdrive.google.com · view?usp=sharingdrive.google.com
poctrac.ffmpeg.org · 11680trac.ffmpeg.org
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Aug 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://vuldb.com/?ctiid.318818Permissions RequiredVDB Entry
https://vuldb.com/?id.318818Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.621825Third Party AdvisoryVDB Entry
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