| Title | codemirror codemirror5 <=5.17.0 Inefficient Regular Expression Complexity |
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| Description | A 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). |
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| Source | ⚠️ https://github.com/codemirror/codemirror5/issues/7128 |
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| User | DayShift (UID 80963) |
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| Submission | 06/18/2025 08:39 (10 months ago) |
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| Moderation | 06/22/2025 08:17 (4 days later) |
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| Status | Accepted |
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| VulDB entry | 313610 [CodeMirror up to 5.65.20 Markdown Mode markdown.js redos] |
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| Points | 19 |
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