{"id":72277,"date":"2025-09-07T09:07:53","date_gmt":"2025-09-07T09:07:53","guid":{"rendered":""},"modified":"2025-09-27T15:20:27","modified_gmt":"2025-09-27T21:20:27","slug":"cve-2025-46411-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-46411-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig\/","title":{"rendered":"<strong>CVE-2025-46411: Buffer Overflow Vulnerability in The Biosig Project libbiosig<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Biosig Project libbiosig, a vital component in the medical informatics field, is vulnerable to a significant security flaw identified as CVE-2025-46411. This vulnerability exposes the MFER parsing functionality to a stack-based buffer overflow attack. By exploiting this flaw, an attacker could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40920-weak-cryptographic-source-in-data-uuid-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"79877\">potentially execute arbitrary code on the affected system<\/a>, leading to substantial damages, including system compromise and data leakage. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8730-critical-vulnerability-in-belkin-routers-due-to-hard-coded-credentials\/\"  data-wpil-monitor-id=\"81079\">vulnerability is particularly severe due<\/a> to its high CVSS score and the widespread use of The Biosig Project libbiosig in various medical applications.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-46411<br \/>\nSeverity: High (8.1 CVSS Severity Score)<br \/>\nAttack Vector: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3671-critical-local-file-inclusion-vulnerability-in-wpgym-wordpress-gym-management-system-plugin\/\"  data-wpil-monitor-id=\"80527\">Local access with specially crafted MFER file<\/a><br \/>\nPrivileges Required: User level<br \/>\nUser Interaction: Required to open the malicious file<br \/>\nImpact: Arbitrary code execution, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46386-authorization-bypass-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"79888\">potential system<\/a> compromise, and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1557858367\" 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=\"83215\">Biosig Project libbiosig<\/a> | 3.9.0<br \/>\nThe <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53557-critical-heap-based-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig\/\"  data-wpil-monitor-id=\"83227\">Biosig Project<\/a> libbiosig | Master Branch (35a819fa)<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of a buffer overflow <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49661-untrusted-pointer-dereference-vulnerability-in-windows-ancillary-function-driver-for-winsock\/\"  data-wpil-monitor-id=\"80366\">vulnerability in the MFER parsing functionality<\/a> of The Biosig Project libbiosig. The attacker crafts an MFER file with malicious content designed to overflow the buffer and inject <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43577-use-after-free-vulnerability-in-acrobat-reader-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"80140\">arbitrary code<\/a> into the system. When this file is opened in an affected system, the malicious content is executed, allowing the attacker to gain <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40743-unauthorized-vnc-access-in-sinumerik-systems-due-to-insufficient-password-verification\/\"  data-wpil-monitor-id=\"80324\">unauthorized access<\/a> or cause damage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-375162963\" 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>The following pseudocode provides a conceptual idea of how the exploit may theoretically be carried out:<\/p>\n<pre><code class=\"\" data-line=\"\"># Pseudocode for malicious MFER file\ndef malicious_mfer_file():\nbuffer = create_buffer(1024)  # Create buffer with normal capacity\npayload = create_payload(2048)  # Create payload larger than buffer capacity\nbuffer.insert(payload)  # Insert payload into buffer, causing overflow\nreturn buffer<\/code><\/pre>\n<p>This pseudocode presents a simple form of a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9245-high-risk-buffer-overflow-vulnerability-in-linksys-extenders\/\"  data-wpil-monitor-id=\"81041\">buffer overflow<\/a> attack. The payload size exceeds the buffer capacity, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23264-critical-vulnerability-in-nvidia-megatron-lm-may-lead-to-code-execution-and-data-tampering\/\"  data-wpil-monitor-id=\"79903\">leading to overflow and potential execution of arbitrary code<\/a>.<\/p>\n<p><strong>Mitigation Measures<\/strong><\/p>\n<p>Users of The Biosig <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54462-heap-based-buffer-overflow-vulnerability-in-biosig-project\/\"  data-wpil-monitor-id=\"83195\">Project<\/a> libbiosig are strongly advised to apply the vendor-provided patch that addresses this vulnerability. In the absence of a patch, users can employ Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) as temporary mitigation measures against <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-7457-macos-authorization-model-exploit-leading-to-potential-mitm-attacks\/\"  data-wpil-monitor-id=\"79952\">potential exploits<\/a>. Additionally, users should exercise caution when <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-58158-harness-open-source-git-lfs-server-vulnerability\/\"  data-wpil-monitor-id=\"85513\">opening any files from untrusted sources<\/a>, as they may contain malicious content.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Biosig Project libbiosig, a vital component in the medical informatics field, is vulnerable to a significant security flaw identified as CVE-2025-46411. This vulnerability exposes the MFER parsing functionality to a stack-based buffer overflow attack. By exploiting this flaw, an attacker could potentially execute arbitrary code on the affected system, leading to substantial damages, [&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":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-72277","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/72277","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=72277"}],"version-history":[{"count":14,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/72277\/revisions"}],"predecessor-version":[{"id":78309,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/72277\/revisions\/78309"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=72277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=72277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=72277"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=72277"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=72277"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=72277"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=72277"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=72277"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=72277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}