Medium severity4.7NVD Advisory· Published Oct 8, 2026
CVE-2026-107677
CVE-2026-107677
Description
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 an empty SegmentTemplate media URL. Attackers can craft an .mpd manifest declaring SegmentTemplate media="" so get_current_fragment() calls av_strireplace() with an empty search string, consuming CPU indefinitely.
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Affected products
2Patches
Vulnerability mechanics
References
6- code.ffmpeg.org/FFmpeg/FFmpeg/commit/ed27bfcbbbc0872c0195eaf4dd2c0c93b9f1778envd
- code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24592nvd
- ffmpeg.orgnvd
- github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavformat/dashdec.cnvd
- github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavutil/avstring.cnvd
- www.vulncheck.com/advisories/ffmpeg-through-9.0.2-dash-demuxer-infinite-loop-via-empty-segmenttemplate-medianvd
News mentions
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