CVE-2015-8855
HIGH7.5EPSS 1.1%Regular Expression Denial of Service in semver
Published: 10/24/2017Modified: 3/4/2026
Description
Versions 4.3.1 and earlier of `semver` are affected by a regular expression denial of service vulnerability when extremely long version strings are parsed. ## Recommendation Update to version 4.3.2 or later
Affected packages (2)
- Debian/node-semverfrom 0, < 5.3.0-1
- npm/semver>= 1.0.4, < 4.3.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (11)
- ADVISORYhttps://github.com/advisories/GHSA-x6fg-f45m-jf5q
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2015-8855
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2015-8855
- PATCHhttps://github.com/npm/node-semver
- WEBhttps://github.com/github/advisory-database/pull/7102
- WEBhttps://github.com/npm/node-semver/commit/5c4c9f6e26c7052a42b5ced2a7481c5c9b4363a0
- WEBhttps://github.com/npm/node-semver/commit/c80180d8341a8ada0236815c29a2be59864afd70
- WEBhttps://www.npmjs.com/advisories/31
- WEBhttps://www.owasp.org/index.php/Regular_expression_Denial_of_Service_-_ReDoS
- WEBhttp://www.openwall.com/lists/oss-security/2016/04/20/11
- WEBhttp://www.securityfocus.com/bid/86957