Submit #598875: codemirror codemirror5 <=5.17.0 Inefficient Regular Expression Complexityinfo

Titlecodemirror codemirror5 <=5.17.0 Inefficient Regular Expression Complexity
DescriptionA ReDoS vulnerability has been identified in CodeMirror’s Markdown mode. Specially crafted input strings can trigger catastrophic backtracking in several regular expressions, causing the affected application to freeze or significantly degrade its performance. This vulnerability could be exploited in any environment (browser‐ or server‑side) that utilizes CodeMirror’s Markdown mode, leading to denial‑of‑service (DoS).
Source⚠️ https://github.com/codemirror/codemirror5/issues/7128
User
 DayShift (UID 80963)
Submission06/18/2025 08:39 (1 Year ago)
Moderation06/22/2025 08:17 (4 days later)
StatusAccepted
VulDB entry313610 [CodeMirror up to 5.65.20 Markdown Mode markdown.js redos]
Points19

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