CVE-2026-90816

FFmpeg Duration hlsproto.c parse_playlist denial of service

MEDIUM
4.3
CVSS Score
Published: September 14, 2026 at 08:00 PM UTC
Updated: September 15, 2026 at 08:19 PM UTC
1 product affected across 1 vendorFFMPEG

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

A vulnerability was found in FFmpeg 8.0.x. This affects the function parse_playlist of the file libavformat/hlsproto.c of the component Duration Parser. Performing a manipulation of the argument duration/target_duration results in denial of service. The attack is possible to be carried out remotely. Upgrading to version 8.1 and 9.0 is able to mitigate this issue. The patch is named 64fafd63f0b4. Upgrading the affected component is recommended.

Affected

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

8.0.*
Vendor states this is fixed in 8.1 (unaffected)
Vendor states this is fixed in 9.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403318
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403318/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90816
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/922626
Product
Source: cverecord
https://ffmpeg.org/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-404

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