CVE-2019-16279

HIGHNVD 7.59.0▲Elevated

7.5

A memory error in the function SSL_accept in nostromo nhttpd through 1.9.6 allows an attacker to trigger a denial of service via a crafted HTTP request.

CVSS v3: 7.5
EG Score: 9.0(high)
EPSS: 99.6%
KEV: Not listed

Published

October 14, 2019

Last Modified

November 21, 2024

References (6)

cve@mitrehttp://www.nazgul.ch/dev/nostromo_cl.txt
cve@mitrehttps://git.sp0re.sh/sp0re/Nhttpd-exploits
cve@mitrehttps://sp0re.sh
af854a3a-2127-422b-91ae-364da2661108http://www.nazgul.ch/dev/nostromo_cl.txt
af854a3a-2127-422b-91ae-364da2661108https://git.sp0re.sh/sp0re/Nhttpd-exploits
af854a3a-2127-422b-91ae-364da2661108https://sp0re.sh

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-22Path Traversal

Data Freshness Timeline

(refreshed 6× in last 7d / 12× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:01 UTCEG score recompute
2026-05-27 13:01 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2019-16279?

CVE-2019-16279 is a high vulnerability published on October 14, 2019. A memory error in the function SSL_accept in nostromo nhttpd through 1.9.6 allows an attacker to trigger a denial of service via a crafted HTTP request.

When was CVE-2019-16279 disclosed?

CVE-2019-16279 was first published in the National Vulnerability Database on October 14, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-16279 actively exploited?

CVE-2019-16279 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-16279?

CVE-2019-16279 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

How do I remediate CVE-2019-16279?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-16279, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-16279

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CVE-2019-16279

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-16279?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)