The debug module is vulnerable to regular expression denial of service when untrusted user input is passed into the o formatter. It takes around 50k characters to block for 2 seconds making this a low severity issue.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/visionmedia/debug/pull/504 Patch, Third Party Advisory
- https://github.com/visionmedia/debug/pull/504 Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.3 · debug_projectNVD modified 2026-10-15 16:17
Affected (CPE criteria) 1
cpe:2.3:a:debug_project:debug:*:*:*:*:*:node.js:*:*
References 10
- https://github.com/visionmedia/debug/issues/501 Third Party Advisory
- https://github.com/visionmedia/debug/pull/504 Patch, Third Party Advisory
- https://lists.apache.org/thread.html/r8ba4c628fba7181af58817d452119481adce4ba92e889c643e4c7dd3%40%3Ccommits.netbeans.apache.org%3E
- https://lists.apache.org/thread.html/rb5ac16fad337d1f3bb7079549f97d8166d0ef3082629417c39f12d63%40%3Cnotifications.netbeans.apache.org%3E
- https://nodesecurity.io/advisories/534 Third Party Advisory
- https://github.com/visionmedia/debug/issues/501 Third Party Advisory
- https://github.com/visionmedia/debug/pull/504 Patch, Third Party Advisory
- https://lists.apache.org/thread.html/r8ba4c628fba7181af58817d452119481adce4ba92e889c643e4c7dd3%40%3Ccommits.netbeans.apache.org%3E
- https://lists.apache.org/thread.html/rb5ac16fad337d1f3bb7079549f97d8166d0ef3082629417c39f12d63%40%3Cnotifications.netbeans.apache.org%3E
- https://nodesecurity.io/advisories/534 Third Party Advisory