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Vulnerability DatabaseCVE-2025-45143
CVE-2025-45143:
JavaScript vulnerability analysis and mitigation
Overview
The vulnerability CVE-2025-45143 affects string-math package version 1.2.2, which contains a Regex Denial of Service (ReDoS) vulnerability. The issue was discovered and disclosed on June 30, 2025, affecting the core functionality of the string-math JavaScript package (NVD).
Technical details
The vulnerability exists in the regex implementation on line 7 of string-math.js, where a malicious input consisting of long sequences of null bytes and tabs can trigger a Regex Denial of Service condition. The vulnerability has been assigned a CVSS v3.1 base score of 7.0 (HIGH) with the vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L. The weakness has been categorized as CWE-1333 (Inefficient Regular Expression Complexity) (NVD, GitHub POC).
Impact
When exploited, the vulnerability can cause the application to crash through a denial of service condition. The attack can be triggered by providing a specially crafted input consisting of repeated tab characters followed by parentheses, which causes the regex engine to enter a catastrophic backtracking state (GitHub POC).
Additional resources
Source: This report was generated using AI
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