HIGHCVSS v3.1 7.5Vulnerability
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 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.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Epss score
- 0.00404
- Cvss severity
- HIGH
- Cvss score
- 7.5
- Retrieved at
- 2026-10-21T01:24:48+00:00
- Last source
- FIRST EPSS
- Score
- 7.5
- Cvss version
- 3.1
- Cve id
- CVE-2026-105959
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-10-18T13:39:03+00:00
- Vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published at
- 2026-10-16T12:16:31.733
- Last modified
- 2026-10-16T19:23:18.623
- Epss percentile
- 0.3327
Related Entities (1)
HAS_WEAKNESS (1)
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