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No exploitation reportedFix available

CVE-2017-16116

No exploitation reported by the sources we read.

  • Published2018-06-07
  • WeaknessCWE-400

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The string module is a module that provides extra string operations. The string module is vulnerable to regular expression denial of service when specifically crafted untrusted user input is passed into the underscore or unescapeHTML methods.

Timeline

dates in UTC
  1. 2018-06-0702:29CVE publishedNVD

Versions per branch

OSV · NVD
string
BranchAffectedFixed in
3.3≤ 3.3.3no fix published
String project string
BranchAffectedFixed in
0.2≤ 0.2.1no fix published
3.3≥ 0.2.2, ≤ 3.3.3no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2017-16116 Red Hat Product Security

    nodejs-string: Regular expression denial of service

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-400known since 2026-10-23
  • NVDweakness (CWE)CWE-400read 2026-10-23
  • FIRST EPSSEPSS score1.6 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2020-06-16

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2018-06-07
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-g36h-6r4f-3mqp

Frequently asked questions

What is CVE-2017-16116?

The string module is a module that provides extra string operations. The string module is vulnerable to regular expression denial of service when specifically crafted untrusted user input is passed into the underscore or unescapeHTML methods.

Is CVE-2017-16116 actively exploited?

Active exploitation of CVE-2017-16116 has not been confirmed. Its EPSS score was 1.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-16116?

CVE-2017-16116 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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