FFmpeg Duration hlsproto.c parse_playlist denial of service
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-404.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | FFmpeg | all versions | 8.1, 9.0 | Patch available | CNA |
- FFmpeg Vendor— Affected all versions Fixed in 8.1, 9.0 Patch available CNA
Remediation
- Fix · CNA FFmpeg Fixed in 8.1, 9.0
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift AI (RHOAI) | Affected | No fix yet: Fix deferred |
Not affected: 1 product
- Red Hat Enterprise Linux AI (RHEL AI) 3
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90816
- 2026-10-03 Alias added: GHSA-p2jm-whqf-vrvv
References
Sources
- CVE-2026-90816 · CVE Program
- CVE-2026-90816 · NVD
- FIRST EPSS
- GHSA-p2jm-whqf-vrvv · GitHub Advisory Database · CC BY 4.0
- CVE-2026-90816 · Red Hat security data · CC BY 4.0
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