{"id":"CVE-2026-125704","aliases":["DEBIAN-CVE-2026-125704","EUVD-2026-120866","GHSA-hc85-6x4f-g38q"],"status":"published","title":"Gstreamer: gstreamer: use-after-free in gstreamer core buffer value deserialization","description":"A use-after-free flaw was found in GStreamer core buffer value deserialization. When serialized buffer text contains an invalid character, an error path frees a mapped buffer before unmapping it. Applications that parse untrusted caps or structure data can reach a freed-buffer read and may crash. A network-facing GStreamer Data Protocol receiver can process such caps data without user interaction; further impact has not been established.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00483,"percentile":0.42115,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2026-11-10T10:43:20Z","modified":"2026-11-12T06:31:25Z","fixes":[{"ecosystem":"Debian:14","package":"gstreamer1.0","fixed_in":["1.28.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"gstreamer1.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.22.0-2","1.22.0-2+deb12u1","1.22.1-1","1.22.10-1","1.22.2-1","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","1.22.9-1","1.23.1-1","1.23.2-1","1.23.90-1","1.24.0-1","1.24.1-1","1.24.10-1","1.24.10-2","1.24.11-1","1.24.11-2","1.24.12-1","1.24.2-1","1.24.3-1","1.24.3-1+ports","1.24.4-1","1.24.4-1+hurd.1","1.24.5-1","1.24.6-1","1.24.7-1","1.24.8-1","1.24.9-1","1.24.9-1+ports","1.25.1-1","1.25.1-2","1.25.1-3","1.25.1-4","1.25.50-1","1.25.90-1","1.25.90-2","1.26.0-1","1.26.0-2","1.26.0-3","1.26.1-1","1.26.10-1","1.26.2-1","1.26.2-2","1.26.3-1","1.26.3-2","1.26.4-1","1.26.5-1","1.26.5-2","1.26.6-1","1.26.6-2","1.26.7-1","1.26.8-1","1.26.8-2","1.26.8-3","1.26.9-1","1.27.1-1","1.27.2-1","1.27.2-2","1.27.50-1","1.27.90-1","1.27.90-2","1.28.0-1","1.28.0-2","1.28.1-1","1.28.2-1","1.28.3-1","1.28.4-1","1.28.4-2","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":"gstreamer1.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.26.10-1","1.26.2-2","1.26.3-1","1.26.3-2","1.26.4-1","1.26.5-1","1.26.5-2","1.26.6-1","1.26.6-2","1.26.7-1","1.26.8-1","1.26.8-2","1.26.8-3","1.26.9-1","1.27.1-1","1.27.2-1","1.27.2-2","1.27.50-1","1.27.90-1","1.27.90-2","1.28.0-1","1.28.0-2","1.28.1-1","1.28.2-1","1.28.3-1","1.28.4-1","1.28.4-2","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":"gstreamer1.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.28.3-1"}]}],"versions":["1.26.10-1","1.26.2-2","1.26.3-1","1.26.3-2","1.26.4-1","1.26.5-1","1.26.5-2","1.26.6-1","1.26.6-2","1.26.7-1","1.26.8-1","1.26.8-2","1.26.8-3","1.26.9-1","1.27.1-1","1.27.2-1","1.27.2-2","1.27.50-1","1.27.90-1","1.27.90-2","1.28.0-1","1.28.0-2","1.28.1-1","1.28.2-1"]}],"products":[{"vendor":"red hat","product":"red hat enterprise linux 10"},{"vendor":"red hat","product":"red hat enterprise linux 7"},{"vendor":"red hat","product":"red hat enterprise linux 8"},{"vendor":"red hat","product":"red hat enterprise linux 9"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:99090","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:99129","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:99228","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-125704","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2569128","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/11583.patch"},{"url":"https://gstreamer.freedesktop.org/security/sa-2026-0028.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-125704"},{"url":"https://github.com/advisories/GHSA-hc85-6x4f-g38q"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-125704","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-125704","title":"Gstreamer: gstreamer: use-after-free in gstreamer core buffer value deserialization","description":"A use-after-free flaw was found in GStreamer core buffer value deserialization. When serialized buffer text contains an invalid character, an error path frees a mapped buffer before unmapping it. Applications that parse untrusted caps or structure data can reach a freed-buffer read and may crash. A network-facing GStreamer Data Protocol receiver can process such caps data without user interaction; further impact has not been established.","status":"published","published":"2026-11-10T10:43:20.844Z","modified":"2026-11-12T05:33:27.502Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-12T06:38:26.896586Z"}],"euvd":[{"id":"EUVD-2026-120866","description":"A use-after-free flaw was found in GStreamer core buffer value deserialization. When serialized buffer text contains an invalid character, an error path frees a mapped buffer before unmapping it. Applications that parse untrusted caps or structure data can reach a freed-buffer read and may crash. A network-facing GStreamer Data Protocol receiver can process such caps data without user interaction; further impact has not been established.","status":"published","published":"2026-11-10T10:43:20Z","modified":"2026-11-12T05:33:27Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-12T06:32:00.575845Z"}],"ghsa":[{"id":"GHSA-hc85-6x4f-g38q","title":"A use-after-free flaw was found in GStreamer core buffer value deserialization. When crafted...","description":"A use-after-free flaw was found in GStreamer core buffer value deserialization. When crafted serialized buffer data contains an invalid character, an error path frees a mapped buffer before unmapping it. An application that parses untrusted caps or structure data could crash; a network-facing GStreamer Data Protocol receiver can process such data without user interaction. Further impact has not been established.","status":"published","published":"2026-11-10T12:31:47Z","modified":"2026-11-12T06:31:25Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-12T06:38:20.494135Z"}],"nvd":[{"id":"CVE-2026-125704","description":"A use-after-free flaw was found in GStreamer core buffer value deserialization. When serialized buffer text contains an invalid character, an error path frees a mapped buffer before unmapping it. Applications that parse untrusted caps or structure data can reach a freed-buffer read and may crash. A network-facing GStreamer Data Protocol receiver can process such caps data without user interaction; further impact has not been established.","status":"published","published":"2026-11-10T11:16:43.58Z","modified":"2026-11-12T04:17:18.08Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-12T06:28:14.024162Z"}],"osv":[{"id":"DEBIAN-CVE-2026-125704","description":"A use-after-free flaw was found in GStreamer core buffer value deserialization. When serialized buffer text contains an invalid character, an error path frees a mapped buffer before unmapping it. Applications that parse untrusted caps or structure data can reach a freed-buffer read and may crash. A network-facing GStreamer Data Protocol receiver can process such caps data without user interaction; further impact has not been established.","status":"published","published":"2026-11-10T11:16:43.58Z","modified":"2026-11-11T22:00:06.36959372Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-11T22:22:32.352848Z"}]}}