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6.6 Moyenne

CVE-2026-73433 A flaw was found in GStreamer gst-plugins-good (avidemux)

Description

A flaw was found in GStreamer gst-plugins-good (avidemux). When parsing FUJIFILM metadata in an AVI strd chunk, gst_avi_demux_parse_strd() decrements a remaining-length counter by fixed offsets (98 and 10 bytes) without verifying sufficient data remains. For crafted strd payloads of exactly 106 or 107 bytes, the counter underflows to a very large unsigned value, causing subsequent null-terminated string scanning to read far beyond the allocated heap buffer. Date-format normalization may also write beyond the buffer end. Confirmed impacts include heap out-of-bounds read, out-of-bounds write, heap information disclosure (adjacent data appearing in parsed metadata), and application crash/denial of service. The avidemux element is auto-plugged by playbin, decodebin, and gst-discoverer, so 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).

Produits et versions touchés

Produit Versions touchées Corrigé en
Red Hat Enterprise Linux 10 Versions non publiées
Red Hat Enterprise Linux 7 Versions non publiées
Red Hat Enterprise Linux 8 Versions non publiées
Red Hat Enterprise Linux 9 Versions non publiées
gst-plugins-good 1.28 premières → < 1.28.6 1.28.6
Red Hat Enterprise Linux 10.0 Extended Update Support Versions non publiées
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Versions non publiées
Red Hat Enterprise Linux 9.6 Extended Update Support Versions non publiées
Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Versions non publiées
Afficher les 7 autres branches
Produit Versions touchées Corrigé en
Red Hat Enterprise Linux 8.8 Telecommunications Update Service Versions non publiées
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Versions non publiées
Red Hat Enterprise Linux 7 Extended Lifecycle Support Versions non publiées
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Versions non publiées
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Versions non publiées
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Versions non publiées
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Versions non publiées

Références

Chronologie

  1. Publiée
  2. Dernière modification

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