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Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

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Weakness (CWE) CWE-1333 Inefficient Regular Expression Complexity 1 CWE-407 Inefficient Algorithmic Complexity 1

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Vendor: markdown-it × Component: Linkify-it × Clear all filters

TI-2026-36071 CVE-2026-48801 · GHSA-22p9-wv53-3rq4

linkify-it: Quadratic algorithmic complexity in LinkifyIt#match scan loop

Priority HIGH 77

linkify-it is a links recognition library with full Unicode support.

CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00394 · Published 2026-07-14 · Partial fix · 5.0.1 CWE-1333

TI-2026-42701 CVE-2026-59887 · GHSA-v245-v573-v5vm

linkify-it: Quadratic-complexity DoS via the `mailto:` validator scan-loop on attacker text

Priority HIGH 72

linkify-it is a links recognition library with full Unicode support.

CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00467 · Published 2026-07-08 · Partial fix · 5.0.2 CWE-407

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