CVE-2016-4055 — The duration function in the moment package before 2

The duration function in the moment package before 2.11.2 for Node.js allows remote attackers to cause a denial of service (CPU consumption) via a long string, aka a "regular expression Denial of Service (ReDoS)."

01What is this vulnerability?

The duration function in the moment package before 2.11.2 for Node.js allows remote attackers to cause a denial of service (CPU consumption) via a long string, aka a "regular expression Denial of Service (ReDoS)."

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-01-23T21:59:01.330
• Last modified: 2026-05-13T00:24:29.033

09References

• www.openwall.com — http://www.openwall.com/lists/oss-security/2016/04/20/11
• www.oracle.com — http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
• www.securityfocus.com — http://www.securityfocus.com/bid/95849
• lists.apache.org — https://lists.apache.org/thread.html/10f0f3aefd51444d1198c65f44ffdf2d78ca3359423…
• lists.apache.org — https://lists.apache.org/thread.html/17ff53f7999e74fbe3cc0ceb4e1c3b00b180b7c5afe…
• lists.apache.org — https://lists.apache.org/thread.html/52bafac05ad174000ea465fe275fd3cc7bd5c25535a…
• lists.apache.org — https://lists.apache.org/thread.html/54df3aeb4239b64b50b356f0ca6f986e3c4ca5b84c5…
• nodesecurity.io — https://nodesecurity.io/advisories/55
• www.tenable.com — https://www.tenable.com/security/tns-2019-02
• www.openwall.com — http://www.openwall.com/lists/oss-security/2016/04/20/11