MEDIUM 6.5 NVD
CVE-2026-125040
A flaw was found in the SRT and WebVTT subtitle parser in GStreamer's gst-plugins-base. While sanitizing inline subtitle markup, the parser repeatedly searches
A flaw was found in the SRT and WebVTT subtitle parser in GStreamer's gst-plugins-base. While sanitizing inline subtitle markup, the parser repeatedly searches the remaining text with unanchored regular expressions. A crafted subtitle cue with a long line of unmatched markup-like text can force quadratic CPU use and make a GStreamer-based application unresponsive.
References
- https://access.redhat.com/security/cve/CVE-2026-125040
- https://bugzilla.redhat.com/show_bug.cgi?id=2569124
- https://gstreamer.freedesktop.org/security/sa-2026-0023.html
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-11-09 via NVD.
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