{"id":"CVE-2026-105959","published":"2026-10-16T12:16:31.733","lastModified":"2026-10-16T19:23:18.623","description":"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.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-190"],"vendors":[],"products":[],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-105959","tags":[]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2554008","tags":[]},{"url":"https://gitlab.freedesktop.org/spice/spice/-/merge_requests/253","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}