Regular expression denial of service in codemirror
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|/.?/)
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | codemirror | < 5.58.2 | 5.58.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-7760
- https://github.com/codemirror/CodeMirror/commit/55d0333907117c9231ffdf555ae8824705993bbb
- https://snyk.io/vuln/SNYK-JAVA-ORGAPACHEMARMOTTAWEBJARS-1024450
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1024449
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1024445
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBCODEMIRROR-1024448
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBCOMPONENTS-1024446
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1024447
- https://snyk.io/vuln/SNYK-JS-CODEMIRROR-1016937
- https://www.debian.org/security/2020/dsa-4789
- https://www.npmjs.com/package/codemirror
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L- Weakness (CWE)
CWE-400- Platform
- npm
- Package
codemirror- Disclosed
- 10.05.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-4gw3-8f77-f72c - CC BY 4.0
Vulnerability history: codemirror
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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