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Fencer Intel
high 7.5

CVE-2015-9242 json

Denial of Service in ecstatic

published 2018-05-29 8 y ago modified 2026-06-17 4 mo ago also GHSA-vwjc-q9px-r9vq , EUVD-2018-0201

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Certain input strings when passed to new Date() or Date.parse() in ecstatic node module before 1.4.0 will cause v8 to raise an exception. This leads to a crash and denial of service in ecstatic when this input is passed into the server via the If-Modified-Since header.

Patch / fix

  • npm ecstatic 1.4.0
  • ecstatic_project ecstatic 1.4.0

Exploit prediction

2.02% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/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

Affected packages

ecosystem package affected fixed in
npm ecstatic
<1.4.0
1.4.0

Affected products

  • HackerOne ecstatic node module

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel 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.