HOMEVULNERABILITIESCVE-2015-8858
HIGH

CVE-2015-8858

CWE-399Published: January 23, 2017· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

The uglify-js package before 2.6.0 for Node.js allows attackers to cause a denial of service (CPU consumption) via crafted input in a parse call, aka a "regular expression denial of service (ReDoS)."

NVD Source

Technical Analysis

CVE-2015-8858 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

uglifyjs_project1 product(s)
uglifyjs
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (6)

Quick Facts

CVE IDCVE-2015-8858
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-399
CISA KEVNo
Affected1 vendor(s)
PublishedJan 23, 2017

Related CVEs (CWE-399)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2015-8858 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.