What’s Vulnerable › Vulnerabilities

CVE-2015-8855

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-01-23 · updated 2026-06-17
• Weakness: CWE-399

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)."

Affected products

• Node.js: through 4.3.1

References

• http://www.openwall.com/lists/oss-security/2016/04/20/11
• http://www.securityfocus.com/bid/86957
• https://nodesecurity.io/advisories/31
• http://www.openwall.com/lists/oss-security/2016/04/20/11
• http://www.securityfocus.com/bid/86957
• https://nodesecurity.io/advisories/31

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