{"id":"CVE-2026-105958","title":"A flaw was found in spice-server","summary":"A flaw was found in spice-server. Multiple migration data handlers use client-supplied offsets from SPICE_MSGC_MIGRATE_DATA messages without bounds validation, allowing a malicious authenticated SPICE client during VM live migration to r…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"Red Hat","product":"spice-server","affected":["spice-server (all versions)","spice (all versions)","spice (all versions)"],"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:23:18.623","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-105958","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-105958","label":"secalert@redhat.com"},{"url":"https://gitlab.freedesktop.org/spice/spice/-/merge_requests/257","label":"secalert@redhat.com"}],"tags":["nvd","cve.org"],"epss":0.00246,"epssPercentile":0.15788,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T13:47:11.369874Z"},"ingestedAt":"2026-10-16T13:06:42.679Z","slug":"CVE-2026-105958","body":"## Overview\n\nA flaw was found in spice-server. Multiple migration data handlers use client-supplied offsets from SPICE_MSGC_MIGRATE_DATA messages without bounds validation, allowing a malicious authenticated SPICE client during VM live migration to read arbitrary heap memory or trigger heap corruption via out-of-bounds read and write operations on the message buffer.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}