CVE-2026-105959

Publié : 16 octobre 2026

Modifié : 16 octobre 2026

Score CVSS

7.5

HIGH

Description détaillée

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.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Références et Patchs

https://access.redhat.com/security/cve/CVE-2026-105959 https://bugzilla.redhat.com/show_bug.cgi?id=2554008 https://gitlab.freedesktop.org/spice/spice/-/merge_requests/253

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