Is Samba 4.12.15 patched?
Current stable (4.25.1): 97/100
4.12.15 has 20 open critical-or-high vulnerabilities. Run 4.21.0 or later to clear them. See what 4.21.0 fixes →
Upgrade impact: Minor upgrade. Minor releases are usually backwards-compatible, but can add or change behaviour — test in staging before production.
Summary iPlain-English security status for Samba 4.12.15, built from its CVEs, active-exploitation data, end-of-life date and latest release.
Samba 4.12.15 is part of the 4.12 release line. 42 known vulnerabilities affect it. The minimum safe version is 4.21.0 — upgrade to it or later to clear the open critical/high issues. The 4.12 line reached end-of-life on 2021-09-20, so it no longer receives security patches. The latest supported Samba release is 4.25.1.
Known issues affecting 4.12.15
Exploited first, then by exploitation probability.
CVE-2021-44142 HIGH EPSS 74% → fixed in 4.15.5 CVE-2023-34966 HIGH EPSS 62% → fixed in 4.18.5 CVE-2023-34967 MEDIUM EPSS 61% → fixed in 4.18.5 CVE-2020-17049 MEDIUM EPSS 14% → fixed in 4.15.1 CVE-2022-42898 HIGH EPSS 7% → fixed in 4.17.3 CVE-2022-37967 HIGH EPSS 4% → fixed in 4.17.4 CVE-2022-3437 MEDIUM EPSS 4% → fixed in 4.17.2 CVE-2023-3961 CRITICAL EPSS 3% → fixed in 4.19.1 CVE-2022-37966 HIGH EPSS 3% → fixed in 4.17.4 CVE-2026-4408 CRITICAL EPSS 3% → fixed in 4.21.0 CVE-2022-38023 HIGH EPSS 2% → fixed in 4.17.4 CVE-2021-3670 MEDIUM EPSS 2% → fixed in 4.16.0 CVE-2021-3671 MEDIUM EPSS 2% → fixed in 4.14.8 CVE-2023-5568 MEDIUM EPSS 2% → fixed in 4.19.2 CVE-2021-3738 HIGH EPSS 2% → fixed in 4.15.2 CVE-2021-23192 HIGH EPSS 2% → fixed in 4.15.2 CVE-2023-42669 MEDIUM EPSS 2% → fixed in 4.19.1 CVE-2016-2124 MEDIUM EPSS 2% → fixed in 4.15.2 CVE-2022-0336 HIGH EPSS 2% → fixed in 4.15.4 CVE-2020-25718 HIGH EPSS 2% → fixed in 4.15.2Other Samba versions
Check another release line of Samba.
Frequently asked
Is Samba 4.12.15 patched?
Samba 4.12.15 is end-of-life and no longer receives security patches. Move to 4.25.1.
What version should I upgrade Samba 4.12.15 to?
Upgrade Samba 4.12.15 to at least 4.21.0 to clear its 20 open critical-or-high vulnerabilities.
When does Samba 4.12 reach end-of-life?
Samba 4.12 reached end-of-life on 2021-09-20 and no longer receives security patches.
What is the latest version of Samba?
The latest supported Samba release is 4.25.1.
Is Samba 4.12.15 still receiving security updates?
No — Samba 4.12.15 is on the 4.12 line, which reached end-of-life on 2021-09-20 and no longer receives security updates. Upgrade to 4.25.1 or later to stay supported.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Samba's official advisory before you patch or upgrade.