CVE-2026-59887

A flaw was found in linkify-it, a library for recognizing links. A remote attacker could exploit this vulnerability by providing specially crafted user text. The mailto: schema validator, when processing this input, can be repeatedly invoked, leading to excessive CPU consumption. This can result ...

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

NPM: linkify-it: Quadratic-complexity DoS via the mailto: validator scan-loop on attacker text vulnerability discovered by ? in WordPress Npm linkify-it versions = 5.0.1...

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

Summary linkify-it's schema-scan loop .test / .match, the documented public API invokes the mailto: schema validator at every mailto: occurrence in the input text. For each occurrence the validator does text.slicepos an On copy and runs an email regex whose local-part class srcemailname greedily...

EUVD-2026-42321

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

GHSA-V245-V573-V5VM linkify-it: Quadratic-complexity DoS via the `mailto:` validator scan-loop on attacker text

Summary linkify-it's schema-scan loop .test / .match, the documented public API invokes the mailto: schema validator at every mailto: occurrence in the input text. For each occurrence the validator does text.slicepos an On copy and runs an email regex whose local-part class srcemailname greedily...

SUSE CVE-2026-59887

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 srcemailname in lib/re.mjs, causing On^2 CPU consumption on crafted user text...

Inefficient Algorithmic Complexity

Overview org.webjars.npm:linkify-it is a Links recognition library with FULL unicode support Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in the mailto: validator scan-loop on attacker-supplied text. An attacker can cause excessive CPU consumption by...

Inefficient Algorithmic Complexity

Overview linkify-it is a Links recognition library with FULL unicode support Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in the mailto: validator scan-loop on attacker-supplied text. An attacker can cause excessive CPU consumption by submitting specially...

CVE-2026-59887

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 srcemailname in lib/re.mjs, causing On^2 CPU consumption on crafted user text...

CVE-2026-59887 linkify-it: Quadratic-complexity DoS via the `mailto:` validator scan-loop on attacker text

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 srcemailname in lib/re.mjs, causing On^2 CPU consumption on crafted user text...

CVE-2026-59887

The CVE concerns the linkify-it library. The mailto: schema validator (used by .test()/.match()) could, before version 5.0.2, be invoked for each mailto occurrence and scan the remaining input through src_email_name in lib/re.mjs, causing O(n^2) CPU consumption (DoS) on crafted text. Impact is hi...

CVE-2026-59887 linkify-it: Quadratic-complexity DoS via the `mailto:` validator scan-loop on attacker text

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 srcemailname in lib/re.mjs, causing On^2 CPU consumption on crafted user text...

CVE-2026-59887

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 srcemailname in lib/re.mjs, causing On^2 CPU consumption on crafted user text...

CVE-2026-59887 linkify-it: Quadratic-complexity DoS via the `mailto:` validator scan-loop on attacker text

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 srcemailname in lib/re.mjs, causing On^2 CPU consumption on crafted user text...

PT-2026-56502

Name of the Vulnerable Software and Affected Versions linkify-it versions prior to 5.0.2 Confluence Data Center versions 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.1.2, and 10.2.0 Description A Regular Expression Denial of Service ReDoS exists in the mailto: schema validator. When using the .te...

CVE-2026-59887: Inefficient Algorithmic Complexity

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 srcemailname in lib/re.mjs, causing On^2 CPU consumption on crafted user text...

CVE-2026-13324

A vulnerability has been identified in the GNOME Geary package within its mailto URI handling component. This flaw occurs because the email client automatically processes a non-standard attach parameter in email links without prompting or alerting the user. An attacker could exploit this by...

CVE-2026-2840

The CVE-2026-2840 entry concerns the WordPress plugin “Email Encoder – Protect Email Addresses and Phone Numbers”. Affected: plugin versions up to 2.4.4. Root cause: insufficient input sanitization and output escaping on the eeb_mailto shortcode, enabling Stored Cross-Site Scripting. Impact: auth...

CVE-2026-2840 Email Encoder – Protect Email Addresses and Phone Numbers <= 2.4.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via eeb_mailto Shortcode

The Email Encoder – Protect Email Addresses and Phone Numbers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'eebmailto' shortcode in all versions up to, and including, 2.4.4 due to insufficient input sanitization and output escaping. This makes it possible for...

CVE-2026-2840 Email Encoder – Protect Email Addresses and Phone Numbers <= 2.4.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via eeb_mailto Shortcode

The Email Encoder – Protect Email Addresses and Phone Numbers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'eebmailto' shortcode in all versions up to, and including, 2.4.4 due to insufficient input sanitization and output escaping. This makes it possible for...