CVE-2015-8855

high
Published 2017-01-23 · Modified 2026-03-04
CVSS v3
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
VIR risk
7.5

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)."

Predictions

Exploit likelihood
83%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed5.3.0-1
debian debianbullseyefixed5.3.0-1
debian debianforkyfixed5.3.0-1
debian debiansidfixed5.3.0-1
debian debiantrixiefixed5.3.0-1

Package impact

EcosystemPackageVulnerableFixed
npm npmsemver>=1.0.4,<4.3.24.3.2

Application impact

VendorProductVersionsFixed
nodejs nodejsnode.js{"endIncluding":"4.3.1"}

References

CWEs

CWE-399

💬 Discuss CVE-2015-8855 on VIR Community →

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.