HIGH 7.5 NVD
CVE-2026-105959
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
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.
References
- 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
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-10-16 via NVD.
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