Summary iPlain-English security verdict for Suricata, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Suricata currently scores 5/100 — critical. No tracked vulnerabilities are currently known to be exploited in the wild. Upgrade promptly to address the open critical vulnerabilities.
Disclosure trend iNew CVEs published for Suricata 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-2019-18792 CRITICAL CWE-436 EPSS 3% → fixed in 4.1.6 CVE-2018-10244 CRITICAL Integer overflow EPSS 2% → see advisory CVE-2021-37592 CRITICAL Out-of-bounds write EPSS 2% → fixed in 6.0.4 CVE-2023-35853 CRITICAL Code injection EPSS 1% → fixed in 6.0.13Get alerted about Suricata
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Frequently asked
Is Suricata safe and patched?
Suricata currently scores 5/100 — critical. No tracked vulnerabilities are currently known to be exploited in the wild. Upgrade promptly to address the open critical vulnerabilities.
What should I do about Suricata now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against OISF'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 OISF's official advisory before you patch or upgrade — Suricata official site ↗