What’s Vulnerable › Vulnerabilities

CVE-2025-4690: AngularJS 'linky' filter ReDoS

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-19 · updated 2026-06-17
• Weakness: CWE-1333

Description

A regular expression used by AngularJS'  linky https://docs.angularjs.org/api/ngSanitize/filter/linky  filter to detect URLs in input text is vulnerable to super-linear runtime due to backtracking. With a large carefully-crafted input, this can cause a Regular expression Denial of Service (ReDoS) https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS  attack on the application. This issue affects all versions of AngularJS. Note: The AngularJS project is End-of-Life and will not receive any updates to address this issue. For more information see here https://docs.angularjs.org/misc/version-support-status .

Affected products

• Google AngularJS: from 0.0.0

References

• https://codepen.io/herodevs/pen/RNNEPzP/751b91eab7730dff277523f3d50e4b77
• https://www.herodevs.com/vulnerability-directory/cve-2025-4690
• https://codepen.io/herodevs/pen/RNNEPzP/751b91eab7730dff277523f3d50e4b77
• https://www.herodevs.com/vulnerability-directory/cve-2025-4690

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