CVE-2026-105958

HIGH
MEDIUM Priority: 0.02 BB Relevance: 55/100
Published: 2026-10-16 Modified: 2026-11-04 First seen: 2026-11-04 Status: active

Attack Surface

Network No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: High

Description

A flaw was found in spice-server. Multiple migration data handlers use client-supplied offsets from SPICE_MSGC_MIGRATE_DATA messages without bounds validation, allowing a malicious authenticated SPICE client during VM live migration to read arbitrary heap memory or trigger heap corruption via out-of-bounds read and write operations on the message buffer.

Weakness Classification (1)

Bug Bounty Relevance

55 / 100
✓ Network accessible
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.25%
Raw Score 0.002460
Percentile 16.0%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00246
2026-11-13
0.00246
2026-11-12
0.00246
2026-11-10
0.00246
2026-11-09
0.00246
2026-11-08
0.00246
2026-11-07
0.00246
2026-11-06
0.00246
2026-11-05
0.00246
2026-11-04
0.00246

Intelligence Sources

mitre ref →
nvd ref →