{"id":71655,"date":"2025-09-05T19:56:31","date_gmt":"2025-09-05T19:56:31","guid":{"rendered":""},"modified":"2025-09-16T11:36:43","modified_gmt":"2025-09-16T17:36:43","slug":"cve-2025-52461-information-leak-vulnerability-in-the-biosig-project-libbiosig-3-9-0","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-52461-information-leak-vulnerability-in-the-biosig-project-libbiosig-3-9-0\/","title":{"rendered":"<strong>CVE-2025-52461: Information Leak Vulnerability in The Biosig Project libbiosig 3.9.0<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Biosig Project libbiosig 3.9.0, a popular library for processing biomedical signal data, has been discovered to contain a serious out-of-bounds read vulnerability. Labeled as CVE-2025-52461, this flaw can potentially lead to system compromise and data leakage, posing a significant risk to any organization using the affected versions of the software. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50567-critical-sql-injection-vulnerability-in-saurus-cms-community-edition-4-7-1\/\"  data-wpil-monitor-id=\"79249\">vulnerability is particularly concerning due to the critical<\/a> nature of the data typically processed by Biosig, which often includes sensitive healthcare information.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-52461<br \/>\nSeverity: High (CVSS: 8.2)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55731-sql-injection-vulnerability-in-frappe-framework-leading-to-potential-data-leakage\/\"  data-wpil-monitor-id=\"79268\">Potential system compromise and data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3252200163\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54480-critical-stack-based-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-3-9-0\/\"  data-wpil-monitor-id=\"83213\">Biosig Project libbiosig<\/a> | 3.9.0 and Master Branch (35a819fa)<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability lies within the Nex parsing functionality of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6573-critical-kernel-software-vulnerability-leading-to-potential-data-leakage\/\"  data-wpil-monitor-id=\"80164\">Biosig<\/a> software. An attacker who can convince a user to open a specially crafted .nex file can cause an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40740-out-of-bounds-read-vulnerability-in-solid-edge-se2025\/\"  data-wpil-monitor-id=\"81561\">out-of-bounds read<\/a> error. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49679-numeric-truncation-error-in-windows-shell-leading-to-privilege-escalation\/\"  data-wpil-monitor-id=\"80176\">error can lead<\/a> to the leakage of sensitive information which might include user credentials, private keys, or other confidential data. If an attacker gains access to such information, they could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42957-critical-backdoor-vulnerability-in-sap-s-4hana-exposes-systems-to-potential-compromise\/\"  data-wpil-monitor-id=\"79602\">potentially compromise the system<\/a> or network where the software is operating.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4186801686\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>In this hypothetical scenario, an attacker might craft a malicious .nex <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7778-arbitrary-file-deletion-vulnerability-in-icons-factory-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"79652\">file that takes advantage of the vulnerability<\/a>. When this file is opened using the affected version of libbiosig, it could trigger the out-of-bounds read, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30105-sensitive-information-leak-in-dell-xtremio\/\"  data-wpil-monitor-id=\"80894\">leaking sensitive information<\/a>.<\/p>\n<pre><code class=\"\" data-line=\"\"># Attacker crafts a malicious .nex file\n$ echo &quot;malicious content&quot; &gt; exploit.nex\n# User is tricked into opening the file with libbiosig\n$ libbiosig parse exploit.nex<\/code><\/pre>\n<p>Please note that this is a conceptual representation and may not accurately reflect the technical specifics of the exploit.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>Users are advised to apply the vendor&#8217;s patch as soon as it becomes available. In the meantime, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can provide temporary mitigation. These measures can help detect and block <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46414-unlimited-pin-attempts-vulnerability-in-api\/\"  data-wpil-monitor-id=\"81204\">attempts to exploit this vulnerability<\/a>, providing a layer of defense while a more permanent solution is implemented.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Biosig Project libbiosig 3.9.0, a popular library for processing biomedical signal data, has been discovered to contain a serious out-of-bounds read vulnerability. Labeled as CVE-2025-52461, this flaw can potentially lead to system compromise and data leakage, posing a significant risk to any organization using the affected versions of the software. This vulnerability is [&hellip;]<\/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,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-71655","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/71655","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=71655"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/71655\/revisions"}],"predecessor-version":[{"id":75755,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/71655\/revisions\/75755"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=71655"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=71655"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=71655"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=71655"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=71655"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=71655"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=71655"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=71655"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=71655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}