Bug 2569124 (CVE-2026-125040) - CVE-2026-125040 gst-plugins-base: gst-plugins-base: Quadratic regex processing in SRT/WebVTT subtitle parser causes denial of service
Summary: CVE-2026-125040 gst-plugins-base: gst-plugins-base: Quadratic regex processin...
Keywords:
Status: NEW
Alias: CVE-2026-125040
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2569213 2569214
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-11-09 12:55 UTC by OSIDB Bzimport
Modified: 2026-11-09 16:48 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-11-09 12:55:52 UTC 
GStreamer-SA-2026-0023: The SRT/WebVTT subtitle parser (subparse) uses regular-expression matching and replacement with quadratic time complexity for long lines. A crafted subtitle file can cause excessive CPU use and application unresponsiveness. Fixed in gst-plugins-base 1.28.2.
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