CVE-2026-105959

7.5 HIGH

Published 2026-10-16 · Updated 2026-10-16

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD 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.

CVSS vector

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

Weaknesses

CWE-190

All 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

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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