Bootstrap ↗
Summary iPlain-English security verdict for Bootstrap, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Bootstrap currently scores 100/100 — healthy. No tracked vulnerabilities are currently known to be exploited in the wild. The latest supported release is 5.3.8. It's on the latest patch with no significant known issues — keep it current.
Disclosure trend iNew CVEs published for Bootstrap each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
No urgent unpatched issues identified. ✓
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Versions & lifecycle iWhen each release line stops receiving security patches (end-of-life). After EOL there are no more fixes — plan upgrades before these dates.
How long each Bootstrap release line is supported — and when it sunsets. Select a line for its full report.
Full Bootstrap end-of-life dates & support timeline →
5 latest 5.3.8 Supported 5.3.8 → 4 latest 4.6.2 End of life ended 2023-01-014.6.2 → 3 latest 3.4.1 End of life ended 2019-07-243.4.1 → 2 latest 2.3.2 End of life ended 2013-08-192.3.2 → See all upcoming end-of-life dates →Frequently asked
Is Bootstrap safe and patched?
Bootstrap currently scores 100/100 — healthy. No tracked vulnerabilities are currently known to be exploited in the wild. The latest supported release is 5.3.8. It's on the latest patch with no significant known issues — keep it current.
What should I do about Bootstrap now?
Upgrade Bootstrap to the latest supported release (5.3.8) or later and apply available security updates, then confirm against Bootstrap's official advisory.
When does Bootstrap reach end-of-life?
The latest supported Bootstrap release is 5.3.8. After end-of-life a release no longer receives security patches.
Which versions of Bootstrap are still receiving security updates?
Supported Bootstrap release lines (latest 5.3.8): 5. End-of-life releases no longer receive security patches.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Bootstrap's official advisory before you patch or upgrade — Bootstrap official site ↗