This affects the package codemirror before 5.58.2; the package org.apache.marmotta.webjars:codemirror before 5.58.2. The vulnerable regular expression is located in https://github.com/codemirror/CodeMirror/blob/cdb228ac736369c685865b122b736cd0d397836c/mode/javascript/javascript.jsL129. The ReDOS vulnerability of the regex is mainly due to the sub-pattern (s|/*.*?*/)*
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1024447
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBCODEMIRROR-1024448
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1024449
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBCOMPONENTS-1024446
https://snyk.io/vuln/SNYK-JAVA-ORGAPACHEMARMOTTAWEBJARS-1024450
https://github.com/codemirror/CodeMirror/commit/55d0333907117c9231ffdf555ae8824705993bbb
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1024445
https://snyk.io/vuln/SNYK-JS-CODEMIRROR-1016937
https://www.debian.org/security/2020/dsa-4789
https://www.oracle.com/security-alerts/cpuApr2021.html
Source: MITRE
Published: 2020-10-30
Updated: 2022-05-12
Type: CWE-400
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH