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CVE-2023-6604

Ffmpeg: hls xbin demuxer dos amplification in ffmpeg

MEDIUM
5.3
CVSS Score
Published: January 6, 2025 at 04:41 PM UTC
Updated: June 17, 2026 at 06:51 AM UTC
1 product affected across 1 vendorFFMPEG

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

A flaw was found in FFmpeg. This vulnerability allows unexpected additional CPU load and storage consumption, potentially leading to degraded performance or denial of service via the demuxing of arbitrary data as XBIN-formatted data without proper format validation.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FFMPEG· Ffmpeg
95%
2.0 ≤ v ≤ 6.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Issue Trackingx_refsource_REDHATExploitThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2334337
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/07/msg00004.html

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMfedora
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-99CWE-94

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