What’s Vulnerable › Vulnerabilities

CVE-2017-20165: debug-js debug node.js useColors redos

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-09 · updated 2026-06-17
• Weakness: CWE-1333

Description

A vulnerability classified as problematic has been found in debug-js debug up to 3.0.x. This affects the function useColors of the file src/node.js. The manipulation of the argument str leads to inefficient regular expression complexity. Upgrading to version 3.1.0 is able to address this issue. The identifier of the patch is c38a0166c266a679c8de012d4eaccec3f944e685. It is recommended to upgrade the affected component. The identifier VDB-217665 was assigned to this vulnerability.

Affected products

• debug-js debug: before 2.6.9; from 3.0.0 before 3.1.0 — fixed in 2.6.9, 3.1.0

How to fix

Upgrade to a fixed version: debug-js debug 2.6.9, 3.1.0. Check the vendor advisory for mitigations.

References

• https://github.com/debug-js/debug/commit/c38a0166c266a679c8de012d4eaccec3f944e685
• https://github.com/debug-js/debug/pull/504
• https://github.com/debug-js/debug/releases/tag/3.1.0
• https://vuldb.com/?ctiid.217665
• https://vuldb.com/?id.217665
• https://github.com/debug-js/debug/commit/c38a0166c266a679c8de012d4eaccec3f944e685
• https://github.com/debug-js/debug/pull/504
• https://github.com/debug-js/debug/releases/tag/3.1.0
• https://vuldb.com/?ctiid.217665
• https://vuldb.com/?id.217665

Get alerted when CVE-2017-20165 or the next vulnerability affects your stack