DEBIAN-CVE-2025-66003: smb4k security update

DEBIAN-CVE-2025-66003, released January 8, 2026, fixes 1 CVE in smb4k. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

n/a

No CVSS score published

Highest EPSS

0.0012

1st percentile

Fixed package versions

Product	Release	Fixed in
smb4k	Debian 13.5 (trixie)	4.0.0-1+deb13u1
smb4k	Debian 14	4.0.5-1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2025-66003	smb4k: An External Control of File Name or Path vulnerability in smb4k allowsl ocal users to perform a local root exploit vi...	n/a	0.0012	None reported

Also fixes CVE-2025-66003

FEDORA-2026-9250FDF5CB
smb4k, smb4k-debuginfo, smb4k-debugsource on Fedora 43

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2025-66003

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