Regular Expression Vulnerability in AngularJS by Google
CVE-2025-4690

4.3MEDIUM

Key Information:

Vendor

Google
Status
Angularjs
Vendor
CVE Published:
19 August 2025

What is CVE-2025-4690?

A vulnerability exists in AngularJS's linky filter that utilizes a regular expression to identify URLs within input text. This flaw allows attackers to craft large inputs which exploit backtracking behavior of the regex engine, potentially causing a Denial of Service (DoS) by consuming excessive resources. All versions of AngularJS are affected by this issue, and as the project has reached its End-of-Life, no patches will be released to mitigate this vulnerability.

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Affected Version(s)

AngularJS >=0.0.0

References

https://www.herodevs.com/vulnerability-directory/cve-2025...
third-party-advisory
https://codepen.io/herodevs/pen/RNNEPzP/751b91eab7730dff2...
technical-descriptionexploit

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

George Kalpakas
JSON
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