FFmpeg through 9.0.2 contains a denial of service vulnerability in the DASH demuxer that allows attackers to trigger an infinite loop by supplying… (CVE-2026-107677)
Description
FFmpeg versions through 9.0.2 have a denial of service vulnerability in the DASH demuxer. This flaw allows an attacker to cause an infinite loop by providing an empty SegmentTemplate media URL in an .mpd manifest. The vulnerability leads to excessive CPU consumption, resulting in a denial of service condition.
CVSS v3.1
Score 4.7medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in FFmpeg up to version 9.0.2 exists in the DASH demuxer component. When processing an .mpd manifest that declares SegmentTemplate media="", the function get_current_fragment() calls av_strireplace() with an empty search string. This triggers an infinite loop, causing the CPU to be consumed indefinitely and resulting in a denial of service.
Potential Impact
An attacker can cause FFmpeg to enter an infinite loop, consuming CPU resources indefinitely. This leads to a denial of service condition, potentially disrupting media processing or playback using the affected FFmpeg versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-23w5-87r9-849m
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-107677"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6ac80f1a2cdf04f656390550
Added to database: 10/08/2026, 21:46:02 UTC
Last enriched: 10/08/2026, 21:52:28 UTC
Last updated: 10/08/2026, 21:52:28 UTC
Views: 2
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