Compare ISC BIND 9
Head-to-head on security track record — known CVEs, active exploitation and support status:
Summary iPlain-English security verdict for ISC BIND 9, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
ISC BIND 9 currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2015-5477. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
Disclosure trend iNew CVEs published for ISC BIND 9 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-2015-5477 HIGH exploited CWE-19 EPSS 92% → fixed in 9.10.2 CVE-2006-0987 MEDIUM EPSS 58% → see advisoryGet alerted about ISC BIND 9
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Frequently asked
Is ISC BIND 9 safe and patched?
ISC BIND 9 currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2015-5477. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
What should I do about ISC BIND 9 now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against ISC's official advisory. Some issues are under active exploitation, so treat this as urgent.
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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 BIND 9 official site ↗