CVE-2026-73473

MediumCVSS 5.5/10Last modified Nov 10, 2026

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).

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
GStreamer	gst-plugins-good	< 1.28.6

References

Timeline

Published: Nov 6, 2026
Last modified: Nov 10, 2026
NVD status: Awaiting Analysis

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