CVE-2026-90816: FFmpeg Duration hlsproto.c parse_playlist denial of service
A vulnerability was found in FFmpeg 8.0.x. This affects the function parseplaylist of the file libavformat/hlsproto.c of the component Duration Parser. Performing a manipulation of the argument duration/targetduration 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 Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
FFmpegto a version that resolves this vulnerability.Fixed in 8.1 - Upgrade
Upgrade
FFmpegto a version that resolves this vulnerability.Fixed in 9.0 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch 64fafd63f0b4
Event History
Frequently Asked Questions
Which FFmpeg releases are affected and which releases mitigate the issue?
The issue affects FFmpeg 8.0.x. Upgrading to FFmpeg 8.1 or 9.0 mitigates it; the referenced patch is 64fafd63f0b4.
What would an attacker need to exploit this vulnerability?
An attacker can exploit it remotely by manipulating duration or target_duration arguments processed by the HLS playlist duration parser. The supplied data does not indicate that authentication or special privileges are required, but it does indicate user interaction is required.
What is the expected impact of successful exploitation?
Successful exploitation results in denial of service. The provided severity vector indicates availability impact only, with no stated confidentiality or integrity impact.