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Vulnerabilities

Vulnerability · CVE-2026-105958

A flaw was found in spice-server.

Published Oct 16, 2026 · catalog updated Oct 17, 2026 · A flaw was found

Check if you run it

No confirmed exploitation is on record for CVE-2026-105958. EPSS is 0.25%. Act only if a listed version of A flaw was found is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A flaw was found).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.25%
Remediation
Advisory link
Affected products
Debian:12 spice · Debian:13 spice · Debian:14 spice

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 spice0.15.1-1, 0.15.2-1, 0.16.0-1
  • Debian:13 spice0.15.2-1, 0.16.0-1, 0.16.0-2
  • Debian:14 spice0.15.2-1, 0.16.0-1, 0.16.0-2

How to fix CVE-2026-105958

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-105958. EPSS is 0.25%. Act only if a listed version of A flaw was found is installed.

Which versions are affected?

Compare what you have installed with 0.15.1-1, 0.15.2-1, 0.16.0-1, 0.15.2-1, 0.16.0-1, 0.16.0-2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 16, 2026 · OpenSSF OSV / OSV Scanner

    Detected

    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.

  2. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    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.

Sources

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.