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Vulnerability record · CVE-2015-8855 · published 23 January 2017

CVE-2015-8855: Nodejs node.js vulnerability

Nodejs · Node.Js

The semver package before 4.3.2 for Node.js allows attackers to cause a denial of service (CPU consumption) via a long version string, aka a "regular expression denial of service (ReDoS)."

7.5 CVSS 3.0 High EPSS 6.5% · top 6.5% CWE-399 · CWE-399
7.5CVSS 3.0 base score, v2 7.8
6.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The semver package before 4.3.2 for Node.js allows attackers to cause a denial of service (CPU consumption) via a long version string, aka a "regular expression denial of service (ReDoS)."

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2016/04/20/11 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/86957 Third Party AdvisoryVDB Entry
https://nodesecurity.io/advisories/31 PatchVendor Advisory
http://www.openwall.com/lists/oss-security/2016/04/20/11 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/86957 Third Party AdvisoryVDB Entry
https://nodesecurity.io/advisories/31 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-8855), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.