CVE-2026-105959 — Spice-server: spice: heap buffer overflow via glz dictionary max_encoders integer truncation
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 authen…
Published: 2026-10-16 · CVSS: 7.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7