{"id":"CVE-2017-16137","aliases":["GHSA-gxpj-cx7g-858c"],"url":"https://o3.security/vulnerability/CVE-2017-16137","summary":"Regular Expression Denial of Service in debug","details":"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.","published":"2018-06-07T02:29:03.817Z","modified":"2026-09-11T08:35:04.674798Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":{"score":0.02798,"percentile":0.85748,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"debug","fixedVersion":"2.6.9"},{"ecosystem":"npm","name":"debug","fixedVersion":"3.1.0"},{"ecosystem":"npm","name":"debug","fixedVersion":"3.2.7"},{"ecosystem":"npm","name":"debug","fixedVersion":"4.3.1"}],"fix":{"url":"https://github.com/visionmedia/debug/pull/504","label":"visionmedia/debug#504"},"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r8ba4c628fba7181af58817d452119481adce4ba92e889c643e4c7dd3%40%3Ccommits.netbeans.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rb5ac16fad337d1f3bb7079549f97d8166d0ef3082629417c39f12d63%40%3Cnotifications.netbeans.apache.org%3E"},{"type":"ADVISORY","url":"https://github.com/visionmedia/debug/issues/501"},{"type":"ADVISORY","url":"https://nodesecurity.io/advisories/534"},{"type":"FIX","url":"https://github.com/visionmedia/debug/pull/504"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-11T08:35:04.674798Z"}}