What’s Vulnerable › Vulnerabilities

CVE-2016-10703

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-12-14 · updated 2026-06-17
• Weakness: CWE-20

Description

A regular expression Denial of Service (DoS) vulnerability in the file lib/ecstatic.js of the ecstatic npm package, before version 2.0.0, allows a remote attacker to overload and crash a server by passing a maliciously crafted string.

Affected products

• HackerOne ecstatic node module: before 2.0.0 — fixed in 2.0.0

How to fix

Upgrade to a fixed version: HackerOne ecstatic node module 2.0.0. Check the vendor advisory for mitigations.

References

• https://advisory.checkmarx.net/advisory/CX-2016-4450
• https://github.com/jfhbrook/node-ecstatic/commit/71ce93988ead4b561a8592168c72143907189f01
• https://www.checkmarx.com/advisories/denial-of-service-dos-vulnerability-in-ecstatic-npm-package/
• https://advisory.checkmarx.net/advisory/CX-2016-4450
• https://github.com/jfhbrook/node-ecstatic/commit/71ce93988ead4b561a8592168c72143907189f01
• https://www.checkmarx.com/advisories/denial-of-service-dos-vulnerability-in-ecstatic-npm-package/

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