Hi,

The following vulnerability was published for spice.

CVE-2026-105959[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-105959
https://www.cve.org/CVERecord?id=CVE-2026-105959
[1] https://gitlab.freedesktop.org/spice/spice/-/merge_requests/253

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore