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Is Ruby 1.9.3p551 patched?

Ruby · cycle 1.9 · Official site ↗
1.9.3p5510/100Critical

Current stable (4.0.5): 100/100

Minimum safe version2.7.7

1.9.3p551 has 11 open critical-or-high vulnerabilities. Run 2.7.7 or later to clear them. See what 2.7.7 fixes →

Health score0/100
Open issues16
Exploited now0
Cycle 1.9 EOL—
Latest release4.0.5

Summary iPlain-English security status for Ruby 1.9.3p551, built from its CVEs, active-exploitation data, end-of-life date and latest release.

Ruby 1.9.3p551 is part of the 1.9 release line. 16 known vulnerabilities affect it. The minimum safe version is 2.7.7 — upgrade to it or later to clear the open critical/high issues. The latest supported Ruby release is 4.0.5.

Known issues affecting 1.9.3p551

Exploited first, then by exploitation probability.

CVE-2021-28966 HIGH EPSS 58% → fixed in 3.0.1 CVE-2017-10784 HIGH EPSS 16% → see advisory CVE-2018-8780 CRITICAL EPSS 10% → fixed in 2.5.1 CVE-2017-14064 CRITICAL EPSS 9% → see advisory CVE-2017-9229 HIGH EPSS 5% → see advisory CVE-2021-28965 HIGH EPSS 5% → fixed in 3.0.1 CVE-2019-16254 MEDIUM EPSS 4% → see advisory CVE-2022-28739 HIGH EPSS 4% → fixed in 3.1.2 CVE-2020-25613 HIGH EPSS 4% → see advisory CVE-2015-9096 MEDIUM EPSS 4% → see advisory CVE-2017-9225 CRITICAL EPSS 3% → see advisory CVE-2021-31810 MEDIUM EPSS 3% → see advisory CVE-2021-41819 HIGH EPSS 3% → fixed in 3.0.3 CVE-2020-5247 MEDIUM EPSS 2% → see advisory CVE-2023-28756 MEDIUM EPSS 2% → see advisory CVE-2015-7551 HIGH EPSS 1% → see advisory

Other Ruby versions

Check another release line of Ruby.

Ruby 4.0.5Ruby 3.4.9Ruby 3.3.11Ruby 3.2.11Ruby 3.1.7Ruby 3.0.7Ruby 2.7.8Ruby 2.6.10Ruby 2.5.9Ruby 2.4.10Ruby 2.3.8Ruby 2.2.10Ruby 2.1.10Ruby 2.0.0p648

Frequently asked

Is Ruby 1.9.3p551 patched?

Ruby 1.9.3p551 has 11 open critical-or-high vulnerabilities. The minimum safe version is 2.7.7 — upgrade to 2.7.7 or later to clear them.

What version should I upgrade Ruby 1.9.3p551 to?

Upgrade Ruby 1.9.3p551 to at least 2.7.7 to clear its 11 open critical-or-high vulnerabilities.

What is the latest version of Ruby?

The latest supported Ruby release is 4.0.5.

Is Ruby 1.9.3p551 still receiving security updates?

Yes — the 1.9 line is still supported and receiving security updates. The latest release is 4.0.5.

Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Ruby's official advisory before you patch or upgrade — Ruby official site ↗