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

Quick assessment

Affected
Google AngularJS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AngularJS是AngularJS开源的一款基于TypeScript的开源Web应用程序框架。 AngularJS存在安全漏洞，该漏洞源于linky过滤器使用的正则表达式存在回溯问题，可能导致正则表达式拒绝服务攻击。

CVSS 4.3 · Medium EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2025-4690

Vulnerability Information
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Vulnerability Title
AngularJS 'linky' filter ReDoS
Source: CVE Program / CVE List V5
Vulnerability 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 .
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
Source: CVE Program / CVE List V5
Vulnerability Title
AngularJS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AngularJS是AngularJS开源的一款基于TypeScript的开源Web应用程序框架。 AngularJS存在安全漏洞，该漏洞源于linky过滤器使用的正则表达式存在回溯问题，可能导致正则表达式拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Google AngularJS >=0.0.0 -

II. Public POCs for CVE-2025-4690

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III. Intelligence Information for CVE-2025-4690

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Other References for CVE-2025-4690 (1)

IV. Related Vulnerabilities

Same product: AngularJS
Same vendor: Google
Same weakness: CWE-1333

V. Comments for CVE-2025-4690

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