Threats Tagged 'ghsa-x4hg-hfwf-p9mw'
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Threats Tagged 'ghsa-x4hg-hfwf-p9mw'
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## Summary The `HTMLInputElement.checkValidity()` method constructed a `RegExp` directly from the user-controlled `pattern` property without any sanitization or timeout protection. This allowed an attacker to inject a regex with catastrophic backtracking, freezing the event loop. ## Fix Fixed in commit https://github.com/asymmetric-effort/NogginLessDom/commit/25a3cbac665fae5663f8b71c073b80c3152dbe7b on `main`. Added: - Pattern length limit (1024 characters) - Nested quantifier detection (`hasNestedQuantifiers`) that rejects patterns like `(a+)+` before constructing the regex - Patterns exceeding limits are treated as non-matching (safe default) Join the discussion | GCVE Database | 07/02/2026, 20:20:04 UTC Added: 07/02/2026, 22:56:51 UTC |
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