Samba: 3.5.22 → 4.21.0
Samba · upgrade impact
Upgrade impact: Major upgrade. Crossing a major version usually means breaking changes. Review the vendor’s upgrade / migration guide and test before you roll it out.
Fixed by upgrading to 4.21.0 iVulnerabilities that affect 3.5.22 but no longer affect 4.21.0 — the security gain from this upgrade, by exploited status then exploitation probability.
Exploited first, then by exploitation probability (EPSS).
CVE-2017-7494 CRITICAL exploited ransomware EPSS 99% ✓ cleared in 4.21.0 CVE-2020-1472 MEDIUM exploited ransomware EPSS 99% ✓ cleared in 4.21.0 CVE-2015-0240 HIGH EPSS 88% ✓ cleared in 4.21.0 CVE-2021-44142 HIGH EPSS 74% ✓ cleared in 4.21.0 CVE-2023-34966 HIGH EPSS 62% ✓ cleared in 4.21.0 CVE-2023-34967 MEDIUM EPSS 61% ✓ cleared in 4.21.0 CVE-2015-5299 MEDIUM EPSS 14% ✓ cleared in 4.21.0 CVE-2015-5252 HIGH EPSS 13% ✓ cleared in 4.21.0 CVE-2017-12150 HIGH EPSS 13% ✓ cleared in 4.21.0 CVE-2015-7560 MEDIUM EPSS 13% ✓ cleared in 4.21.0 CVE-2017-2619 HIGH EPSS 11% ✓ cleared in 4.21.0 CVE-2016-2115 MEDIUM EPSS 10% ✓ cleared in 4.21.0 CVE-2013-4496 MEDIUM EPSS 10% ✓ cleared in 4.21.0 CVE-2016-2112 MEDIUM EPSS 9% ✓ cleared in 4.21.0 CVE-2016-2125 MEDIUM EPSS 9% ✓ cleared in 4.21.0 CVE-2013-4475 MEDIUM EPSS 9% ✓ cleared in 4.21.0 CVE-2016-2110 MEDIUM EPSS 8% ✓ cleared in 4.21.0 CVE-2017-12163 MEDIUM EPSS 8% ✓ cleared in 4.21.0 CVE-2015-5296 MEDIUM EPSS 7% ✓ cleared in 4.21.0 CVE-2022-42898 HIGH EPSS 7% ✓ cleared in 4.21.0 CVE-2018-10858 MEDIUM EPSS 4% ✓ cleared in 4.21.0 CVE-2017-9461 MEDIUM EPSS 4% ✓ cleared in 4.21.0 CVE-2022-37967 HIGH EPSS 4% ✓ cleared in 4.21.0 CVE-2017-12151 HIGH EPSS 4% ✓ cleared in 4.21.0 CVE-2012-6150 LOW EPSS 4% ✓ cleared in 4.21.0 CVE-2019-10218 MEDIUM EPSS 3% ✓ cleared in 4.21.0 CVE-2019-3880 MEDIUM EPSS 3% ✓ cleared in 4.21.0 CVE-2013-0454 MEDIUM EPSS 3% ✓ cleared in 4.21.0 CVE-2016-2111 MEDIUM EPSS 3% ✓ cleared in 4.21.0 CVE-2019-3824 MEDIUM EPSS 3% ✓ cleared in 4.21.0 CVE-2023-3961 CRITICAL EPSS 3% ✓ cleared in 4.21.0 CVE-2022-37966 HIGH EPSS 3% ✓ cleared in 4.21.0 CVE-2022-38023 HIGH EPSS 2% ✓ cleared in 4.21.0 CVE-2021-3671 MEDIUM EPSS 2% ✓ cleared in 4.21.0 CVE-2023-5568 MEDIUM EPSS 2% ✓ cleared in 4.21.0 CVE-2016-2124 MEDIUM EPSS 2% ✓ cleared in 4.21.0 CVE-2020-25717 HIGH EPSS 2% ✓ cleared in 4.21.0 CVE-2023-4091 MEDIUM EPSS 1% ✓ cleared in 4.21.0 CVE-2023-34968 MEDIUM EPSS 1% ✓ cleared in 4.21.0 CVE-2023-42670 MEDIUM EPSS 1% ✓ cleared in 4.21.0Still open in 4.21.0 iKnown vulnerabilities that affect 4.21.0 too — upgrading to it does not clear these.
These affect 4.21.0 as well — a later release may be needed.
CVE-2026-2340 MEDIUM EPSS 1% → see advisory CVE-2025-0620 MEDIUM EPSS 1% → fixed in 4.22.2