Skip to content
Fencer Vulns
high 7.5

CVE-2017-16115 json

Regular Expression Denial of Service in timespan

published 2018-06-07 8 y ago modified 2026-06-17 4 mo ago also GHSA-f523-2f5j-gfcg , EUVD-2018-0395

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

The timespan module is vulnerable to regular expression denial of service. Given 50k characters of untrusted user input it will block the event loop for around 10 seconds.

Exploit prediction

1.48% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
npm timespan
<=2.3.0
no fix listed

Affected products

  • HackerOne timespan node module

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.