Summary iPlain-English security verdict for ISC DHCP, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
ISC DHCP currently scores 35/100 — high risk. No tracked vulnerabilities are currently known to be exploited in the wild. Upgrade soon — serious vulnerabilities are open and a fix usually exists.
Disclosure trend iNew CVEs published for ISC DHCP 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.
Most urgent first — actively exploited, then likeliest to be exploited.
CVE-2011-0997 HIGH Improper input validation EPSS 84% → see advisory CVE-2015-8605 MEDIUM Improper input validation EPSS 76% → see advisory CVE-2010-2156 MEDIUM CWE-189 EPSS 76% → see advisory CVE-2016-2774 MEDIUM Improper input validation EPSS 74% → see advisory CVE-2017-3144 HIGH Uncontrolled resource consumption EPSS 73% → see advisory CVE-2011-2748 HIGH Improper input validation EPSS 39% → see advisory CVE-2011-2749 HIGH Improper input validation EPSS 39% → see advisory CVE-2011-0413 HIGH Improper input validation EPSS 33% → see advisoryGet alerted about ISC DHCP
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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 ISC DHCP release line is supported — and when it sunsets.
Full ISC DHCP end-of-life dates & support timeline →
Frequently asked
Is ISC DHCP safe and patched?
ISC DHCP currently scores 35/100 — high risk. No tracked vulnerabilities are currently known to be exploited in the wild. Upgrade soon — serious vulnerabilities are open and a fix usually exists.
What should I do about ISC DHCP now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against ISC's official advisory.
lifecycle unknown — needs latest supported version
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against ISC's official advisory before you patch or upgrade — ISC DHCP official site ↗