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CVE-2026-73471
medium
Description
A flaw was found in GStreamer gst-plugins-good (avidemux). In the Nikon metadata tag parser, a pointer can be dereferenced without verifying that data remains in the buffer, causing out-of-bounds reads. Because avidemux is auto-plugged by playbin, decodebin, and gst-discoverer, opening or previewing a crafted AVI is sufficient to trigger the issue. Fixed upstream in gst-plugins-good 1.28.6 (GStreamer-SA-2026-0072).
References
https://gstreamer.freedesktop.org/security/sa-2026-0072.html
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12231
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-117924