How severe is CVE-2019-16279?

CVE-2019-16279 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-16279 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16279?

CVE-2019-16279 affects Nazgul Nostromo Nhttpd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16279?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-16279 published?

CVE-2019-16279 was published on 2019-10-14 and last updated on 2026-06-17.

CVE-2019-16279

CVE-2019-16279 is a high-severity vulnerability in Nazgul Nostromo Nhttpd with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 20% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Nazgul Nostromo Nhttpd
Published: 2019-10-14
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2019-16279?: 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.
How severe is CVE-2019-16279?: CVE-2019-16279 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-16279 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16279?: CVE-2019-16279 affects Nazgul Nostromo Nhttpd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16279?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-16279 published?: CVE-2019-16279 was published on 2019-10-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nazgul:nostromo_nhttpd:*:*:*:*:*:*:*:*

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