Medium severity5.5NVD Advisory· Published Nov 6, 2026

CVE-2026-73473

Description

A flaw was found in GStreamer gst-plugins-good (avidemux). In the subindex parser, missing validation of the entry count can cause excessive memory allocation and denial of service. 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).

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Gstreamer/Gst Plugins Goodllm-fuzzy
Range: <1.28.6

Patches

Vulnerability mechanics

References

access.redhat.com/security/cve/CVE-2026-73473nvd
bugzilla.redhat.com/show_bug.cginvd
gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12231nvd
gstreamer.freedesktop.org/security/sa-2026-0072.htmlnvd

News mentions

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