{"id":87068,"date":"2026-06-08T00:25:38","date_gmt":"2026-06-08T00:25:38","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T00:00:00","slug":"cve-2025-56572-denial-of-service-vulnerability-in-finance-js-v4-1-0","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-56572-denial-of-service-vulnerability-in-finance-js-v4-1-0\/","title":{"rendered":"CVE-2025-56572: Denial of Service Vulnerability in finance.js v4.1.0<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

This report entails a critical vulnerability identified as CVE-2025-56572. The vulnerability is in the finance.js library version 4.1.0 which is commonly used in financial calculations within web applications. This vulnerability could be exploited by remote attackers to cause a denial of service, potentially leading to system compromise or data leakage. Given the widespread use of this JavaScript library, the impact could be substantial.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-56572
\nSeverity: High (CVSS:7.5)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system compromise and data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

finance.js | v4.1.0<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability resides in the seekZero() function of the finance.js library. An attacker can send a specially crafted request to this function, causing it to enter an infinite loop and effectively creating a denial of service. This can consume system resources and potentially lead to a system crash or slow down, making it susceptible to further attacks.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

The following is a
\nconceptual<\/strong>
\n example of how the vulnerability might be exploited. This is a JavaScript function call which sends an abnormal input to the seekZero() function.<\/p>\n

var finance = require('finance.js');\nfinance.seekZero({\"malicious_payload\": \"...\"});<\/code><\/pre>\n
Mitigation Guidance<\/strong><\/p>\n
Users of finance.js v4.1.0 are advised to apply the vendor patch as soon as it is available. As a temporary mitigation, users can employ a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to block or alert on abnormal traffic patterns. However, these measures may not completely eliminate the risk, and patching is highly recommended.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview This report entails a critical vulnerability identified as CVE-2025-56572. The vulnerability is in the finance.js library version 4.1.0 which is commonly used in financial calculations within web applications. This vulnerability could be exploited by remote attackers to cause a denial of service, potentially leading to system compromise or data leakage. Given the widespread use […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-87068","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t