{"id":"CVE-2026-73473","aliases":["DEBIAN-CVE-2026-73473","EUVD-2026-117926","GHSA-pgrm-9mgw-xj68","UBUNTU-CVE-2026-73473"],"status":"published","title":"Gstreamer1-plugins-good: gstreamer: missing subindex entry count validation in avidemux leading to denial of service","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).","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00124,"percentile":0.02137,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-770"],"published":"2026-11-06T00:00:00Z","modified":"2026-11-07T05:00:08Z","fixes":[{"ecosystem":"Debian:14","package":"gst-plugins-good1.0","fixed_in":["1.28.6-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"gst-plugins-good1.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.22.0-5","1.22.0-5+deb12u1","1.22.0-5+deb12u2","1.22.0-5+deb12u3","1.22.0-5+deb12u4","1.22.1-1","1.22.10-1","1.22.3-1","1.22.3-2","1.22.4-1","1.22.5-1","1.22.6-1","1.22.7-1","1.22.8-1","1.22.8-2","1.22.8-3","1.22.9-1","1.23.1-1","1.23.2-1","1.23.90-1","1.24.0-1","1.24.1-1","1.24.1-2","1.24.10-1","1.24.11-1","1.24.11-2","1.24.11-3","1.24.11-4","1.24.11-5","1.24.12-1","1.24.2-1","1.24.3-1","1.24.4-1","1.24.5-1","1.24.6-1","1.24.7-1","1.24.8-1","1.24.9-1","1.25.1-1","1.25.1-2","1.25.1-3","1.25.50-1","1.25.90-1","1.25.90-2","1.26.0-1","1.26.1-1","1.26.10-1","1.26.2-1","1.26.3-1","1.26.4-1","1.26.5-1","1.26.5-2","1.26.5-2+hurd.1","1.26.5-3","1.26.6-1","1.26.7-1","1.26.8-1","1.26.9-1","1.27.1-1","1.27.2-1","1.27.50-1","1.27.50-2","1.27.90-1","1.28.0-1","1.28.1-1","1.28.2-1","1.28.2-2","1.28.2-3","1.28.2-4","1.28.3-1","1.28.4-1","1.28.5-1","1.28.6-1","1.28.7-1","1.28.8-1","1.28.9-1","1.29.1-1","1.29.2-1"]},{"source":"osv","ecosystem":"Debian:13","package":"gst-plugins-good1.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.26.10-1","1.26.2-1","1.26.2-1+deb13u1","1.26.2-1+deb13u2","1.26.3-1","1.26.4-1","1.26.5-1","1.26.5-2","1.26.5-2+hurd.1","1.26.5-3","1.26.6-1","1.26.7-1","1.26.8-1","1.26.9-1","1.27.1-1","1.27.2-1","1.27.50-1","1.27.50-2","1.27.90-1","1.28.0-1","1.28.1-1","1.28.2-1","1.28.2-2","1.28.2-3","1.28.2-4","1.28.3-1","1.28.4-1","1.28.5-1","1.28.6-1","1.28.7-1","1.28.8-1","1.28.9-1","1.29.1-1","1.29.2-1"]},{"source":"osv","ecosystem":"Debian:14","package":"gst-plugins-good1.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.28.6-1"}]}],"versions":["1.26.10-1","1.26.2-1","1.26.3-1","1.26.4-1","1.26.5-1","1.26.5-2","1.26.5-2+hurd.1","1.26.5-3","1.26.6-1","1.26.7-1","1.26.8-1","1.26.9-1","1.27.1-1","1.27.2-1","1.27.50-1","1.27.50-2","1.27.90-1","1.28.0-1","1.28.1-1","1.28.2-1","1.28.2-2","1.28.2-3","1.28.2-4","1.28.3-1","1.28.4-1","1.28.5-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"gst-plugins-good1.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.0-1ubuntu1","1.6.1-1ubuntu1","1.6.2-1ubuntu1","1.7.1-1ubuntu1","1.7.2-1ubuntu1","1.7.90-1ubuntu1","1.7.91-1ubuntu1","1.8.0-1ubuntu1","1.8.1-1ubuntu0.1","1.8.2-1ubuntu0.1","1.8.2-1ubuntu0.2","1.8.2-1ubuntu0.3","1.8.3-1ubuntu0.3","1.8.3-1ubuntu0.4","1.8.3-1ubuntu0.5","1.8.3-1ubuntu0.5+esm1","1.8.3-1ubuntu0.5+esm2","1.8.3-1ubuntu0.5+esm3","1.8.3-1ubuntu0.5+esm4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"gst-plugins-good1.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.12.3-1ubuntu1","1.12.4-1ubuntu1","1.13.1-1ubuntu1","1.13.91-1ubuntu1","1.14.0-1ubuntu1","1.14.1-1ubuntu1~ubuntu18.04.1","1.14.4-1ubuntu1~ubuntu18.04.1","1.14.5-0ubuntu1~18.04.1","1.14.5-0ubuntu1~18.04.2","1.14.5-0ubuntu1~18.04.3","1.14.5-0ubuntu1~18.04.3+esm1","1.14.5-0ubuntu1~18.04.3+esm2","1.14.5-0ubuntu1~18.04.3+esm3","1.14.5-0ubuntu1~18.04.3+esm4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"gst-plugins-good1.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.1-1ubuntu1","1.16.2-1ubuntu1","1.16.2-1ubuntu2","1.16.2-1ubuntu2.1","1.16.3-0ubuntu1","1.16.3-0ubuntu1.1","1.16.3-0ubuntu1.2","1.16.3-0ubuntu1.3","1.16.3-0ubuntu1.3+esm1","1.16.3-0ubuntu1.3+esm2","1.16.3-0ubuntu1.3+esm3","1.16.3-0ubuntu1.3+esm4"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"gst-plugins-good1.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.18.5-1ubuntu2","1.18.5-1ubuntu3","1.20.0-2ubuntu1","1.20.1-1ubuntu1","1.20.3-0ubuntu1","1.20.3-0ubuntu1.1","1.20.3-0ubuntu1.3","1.20.3-0ubuntu1.4","1.20.3-0ubuntu1.5","1.20.3-0ubuntu1.6","1.20.3-0ubuntu1.7","1.20.3-0ubuntu1.8","1.20.3-0ubuntu1.9","1.20.3-0ubuntu1.10"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"gst-plugins-good1.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.22.6-1ubuntu1","1.22.6-1ubuntu2","1.22.8-3ubuntu1","1.22.9-1ubuntu1","1.24.0-1ubuntu5","1.24.0-1ubuntu7","1.24.1-2ubuntu1","1.24.2-1ubuntu1","1.24.2-1ubuntu1.1","1.24.2-1ubuntu1.2","1.24.2-1ubuntu1.3","1.24.2-1ubuntu1.4","1.24.2-1ubuntu1.5","1.24.2-1ubuntu1.6","1.24.2-1ubuntu1.7","1.24.2-1ubuntu1.8"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"gst-plugins-good1.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.26.5-1ubuntu2","1.27.2-1ubuntu1","1.27.90-1ubuntu1","1.28.0-1ubuntu1","1.28.0-1ubuntu3","1.28.1-1ubuntu1","1.28.2-2","1.28.2-2ubuntu0.1","1.28.2-2ubuntu0.2","1.28.2-2ubuntu0.3","1.28.2-2ubuntu0.4"]}],"products":[{"vendor":"gstreamer","product":"gst-plugins-good"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-73473","tags":["vdb-entry","x_refsource_REDHAT","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2514915","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12231","tags":["report"]},{"url":"https://gstreamer.freedesktop.org/security/sa-2026-0072.html","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73473"},{"url":"https://github.com/advisories/GHSA-pgrm-9mgw-xj68"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-73473","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-73473","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-73473","tags":["report"]},{"url":"https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12241","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-73473","title":"Gstreamer1-plugins-good: gstreamer: missing subindex entry count validation in avidemux leading to denial of service","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).","status":"published","published":"2026-11-06T06:32:22.598Z","modified":"2026-11-10T19:42:13.393Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-10T22:18:28.707469Z"}],"euvd":[{"id":"EUVD-2026-117926","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).","status":"published","published":"2026-11-06T06:32:22Z","modified":"2026-11-10T19:42:13Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-10T21:23:28.923624Z"}],"ghsa":[{"id":"GHSA-pgrm-9mgw-xj68","title":"A flaw was found in GStreamer gst-plugins-good (avidemux). In the subindex parser, missing...","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).","status":"published","published":"2026-11-06T09:31:30Z","modified":"2026-11-06T09:31:31Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-06T09:59:37.77326Z"}],"nvd":[{"id":"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).","status":"published","published":"2026-11-06T07:17:40.917Z","modified":"2026-11-10T20:19:36.233Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-10T22:21:31.83577Z"}],"osv":[{"id":"DEBIAN-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).","status":"published","published":"2026-11-06T07:17:40.917Z","modified":"2026-11-07T09:47:22.406485434Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-07T05:09:09.270904Z"},{"id":"UBUNTU-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).","status":"published","published":"2026-11-06T00:00:00Z","modified":"2026-11-07T01:46:40.928160071Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-07T01:56:47.245871Z"}]}}