{"schema":"threatline.record/2","record":{"id":"CVE-2026-105959","aliases":[],"summary":"Spice-server: spice: heap buffer overflow via glz dictionary max_encoders integer truncation","details":"A flaw was found in spice-server. The GLZ encoder dictionary restore path truncates a size_t allocation size to int when calling the malloc callback, allowing a malicious authenticated SPICE client during VM live migration to trigger a massive heap buffer overflow by sending a crafted max_encoders value in migration data.","categories":["Operating systems"],"product":"Red Hat Enterprise Linux 6","vendor":"Red Hat","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105959","source_modified_at":"2026-10-20T20:43:08.849Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat","versions":[],"defaultStatus":"affected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105959","source_modified_at":"2026-10-20T20:43:08.849Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat","versions":[],"defaultStatus":"affected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105959","source_modified_at":"2026-10-20T20:43:08.849Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat","versions":[],"defaultStatus":"affected"}],"fixed_versions":[],"cvss":7.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00404,"percentile":0.3355,"score_date":"2026-10-23"},"published_at":"2026-10-16T11:53:00.840Z","modified_at":"2026-10-20T20:43:08.849Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-105959","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T20:43:08.849Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-105959","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://access.redhat.com/security/cve/CVE-2026-105959","tags":["vdb-entry","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2554008","tags":["issue-tracking","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://gitlab.freedesktop.org/spice/spice/-/merge_requests/253"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-16T14:04:30.322816Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-20T20:43:08.849Z","content_hash":"2ee20c77cba5d9d6e0bc7d1eccdfa12a5a891b75a308c2716762c68af5a863b3"}}