{"id":"DEBIAN-CVE-2021-3497","details":"GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.","modified":"2026-09-01T20:04:30.042477214Z","published":"2021-04-19T21:15:13.113Z","upstream":["CVE-2021-3497"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-3497"}],"affected":[{"package":{"name":"gst-plugins-good1.0","ecosystem":"Debian:12","purl":"pkg:deb/debian/gst-plugins-good1.0?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.4-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3497.json"}},{"package":{"name":"gst-plugins-good1.0","ecosystem":"Debian:13","purl":"pkg:deb/debian/gst-plugins-good1.0?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.4-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3497.json"}},{"package":{"name":"gst-plugins-good1.0","ecosystem":"Debian:14","purl":"pkg:deb/debian/gst-plugins-good1.0?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.4-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3497.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}