CVE-2015-8855
Regular Expression Denial of Service in semver
7.5
HIGH
CVSS 3.1
EPSS 1.1%
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)."
How to fix CVE-2015-8855
To remediate CVE-2015-8855, upgrade the affected package to a fixed version below.
- Debian/node-semver—upgrade to 5.3.0-1 or later
- —upgrade to 4.3.2 or later
Is CVE-2015-8855 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 5.3.0-1
- >= 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 |