CVEvulnerability

CVE-2026-59887

7.5 HIGH Published 2026-07-08 Modified 2026-10-25 Official page ↗
Status
Analyzed
Published
2026-07-08
Last modified
2026-10-25
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-407

Description

linkify-it is a links recognition library with full Unicode support. Prior to 5.0.2, the mailto: schema validator used by .test() and .match() can be invoked at every mailto: occurrence and scan the remaining input through src_email_name in lib/re.mjs, causing O(n^2) CPU consumption on crafted user text. This issue is fixed in version 5.0.2.

Affected configurations

• markdown-it linkify-it (< 5.0.2)

Related

Weakness · CWE (1)

  • CWE-407 Inefficient Algorithmic Complexity weakness

References