CVE-2020-7760: Codemirror

High severity, CVSS 7.5. EPSS: 5.3% chance of exploitation in the next 30 days.

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 products

• Codemirror Codemirror: before 5.58.2 (fixed in 5.58.2)
• Oracle Application Express: before 20.2 (fixed in 20.2)
• Oracle Enterprise Manager Express User Interface: version 19c only
• Oracle Essbase: version 21.2 only
• Oracle Hyperion Data Relationship Management: before 11.2.9.0 (fixed in 11.2.9.0)
• Oracle Spatial Studio: before 19.1.0 (fixed in 19.1.0)

Published 2020-10-30. Last modified 2026-06-17.