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CVE-2019-16279

34
FAUCET Score

CVE-2019-16279 describes a memory error in the SSL_accept function of nostromo nhttpd versions up to 1.9.6, allowing a remote attacker to cause a denial of service. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity and no user interaction, leading to high availability impact. Despite its high EPSS score and FAUCET Risk Score, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.9.6CPE matchmatch criteria
cpe:2.3:a:nazgul:nostromo_nhttpd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
19.80%
Probability of exploitation in next 30 days
EPSS Percentile
97.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.1980 is in the 96th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

git.sp0re.sh / sp0re/Nhttpd-exploits
ExploitThird Party Advisory
sp0re.sh
Not Applicable
nazgul.ch / dev/nostromo_cl.txt
Release NotesThird Party Advisory