{"id":37902,"date":"2025-05-13T19:36:00","date_gmt":"2025-05-13T19:36:00","guid":{"rendered":""},"modified":"2025-06-09T11:20:39","modified_gmt":"2025-06-09T17:20:39","slug":"cve-2025-4372-webaudio-heap-corruption-in-google-chrome-a-potential-gateway-to-system-compromise-and-data-leakage","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4372-webaudio-heap-corruption-in-google-chrome-a-potential-gateway-to-system-compromise-and-data-leakage\/","title":{"rendered":"<strong>CVE-2025-4372: WebAudio Heap Corruption in Google Chrome: A Potential Gateway to System Compromise and Data Leakage<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the ever-evolving world of cybersecurity, novel vulnerabilities emerge constantly, posing serious threats to businesses and individuals. One such vulnerability is CVE-2025-4372, a medium-severity security flaw found in Google Chrome\u2019s WebAudio component. This vulnerability, if exploited, could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4050-heap-corruption-in-google-chrome-devtools-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"43049\">potentially enable remote attackers to corrupt heap<\/a> memory via a specifically crafted HTML page, leading to system compromise or data leakage. Given the widespread use of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5280-a-high-severity-heap-corruption-vulnerability-in-google-chrome-v8\/\"  data-wpil-monitor-id=\"56186\">Google Chrome<\/a>, this vulnerability could have far-reaching implications, making it a significant concern for organizations and individuals alike.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-4372<br \/>\nSeverity: Medium (8.8 CVSS Severity Score)<br \/>\nAttack Vector: Web (via crafted HTML page)<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required (User must visit malicious webpage)<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49126-critical-vulnerability-in-solid-edge-se2023-allows-for-potential-system-compromise\/\"  data-wpil-monitor-id=\"43429\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-659743614\" 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><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5063-critical-heap-corruption-in-google-chrome-compositing\/\"  data-wpil-monitor-id=\"56470\">Google Chrome<\/a> | Prior to 136.0.7103.92<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit leverages a &#8220;use after free&#8221; <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4096-remote-heap-buffer-overflow-vulnerability-in-google-chrome-html-processing\/\"  data-wpil-monitor-id=\"43115\">vulnerability in Google Chrome&#8217;s<\/a> WebAudio component. In simple terms, a &#8220;use after free&#8221; <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49131-uninitialized-pointer-access-vulnerability-in-solid-edge-se2023\/\"  data-wpil-monitor-id=\"43492\">vulnerability occurs when a program continues to use a pointer<\/a> after it has been freed. In this instance, a remote attacker can craft a specific HTML page that, once loaded by the user&#8217;s browser, triggers this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-6631-powersystem-center-vulnerability-could-allow-privilege-escalation\/\"  data-wpil-monitor-id=\"43349\">vulnerability and allows<\/a> the attacker to corrupt the heap memory. This corruption can possibly lead to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-37419-critical-arbitrary-code-execution-vulnerability-in-gtkwave-3-3-115\/\"  data-wpil-monitor-id=\"42686\">arbitrary code execution<\/a>, which in turn can lead to system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2006901001\" 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>Below is a conceptual example of how an attacker might craft an HTML <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2816-unauthorized-modification-vulnerability-in-page-view-count-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"42728\">page to exploit this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n&lt;body&gt;\n&lt;script&gt;\nvar audioCtx = new (window.AudioContext || window.webkitAudioContext)();\nvar myArrayBuffer = audioCtx.createBuffer(2, audioCtx.sampleRate * 3.0, audioCtx.sampleRate);\n\/\/ Fill buffer with malicious data\nfor (var channel = 0; channel &lt; myArrayBuffer.numberOfChannels; channel++) {\nvar nowBuffering = myArrayBuffer.getChannelData(channel);\nfor (var i = 0; i &lt; myArrayBuffer.length; i++) {\nnowBuffering[i] = Math.random() * 2 - 1;\n}\n}\n\/\/ Get reference to buffer and then free it\nvar source = audioCtx.createBufferSource();\nsource.buffer = myArrayBuffer;\nsource.start();\n\/\/ Attempt to use buffer after it has been freed\nvar gainNode = audioCtx.createGain();\nsource.connect(gainNode);\ngainNode.connect(audioCtx.destination);\n&lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<p>In this example, the attacker creates and populates an audio buffer with random data, then attempts to use it after it has been started (freed). This example is purely conceptual and for illustration purposes only. It may not necessarily <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44898-critical-stack-overflow-vulnerability-in-fw-wgs-804hpt-resulting-in-potential-system-compromise\/\"  data-wpil-monitor-id=\"52644\">result in successful exploitation of the vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the ever-evolving world of cybersecurity, novel vulnerabilities emerge constantly, posing serious threats to businesses and individuals. One such vulnerability is CVE-2025-4372, a medium-severity security flaw found in Google Chrome\u2019s WebAudio component. This vulnerability, if exploited, could potentially enable remote attackers to corrupt heap memory via a specifically crafted HTML page, leading to system [&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":[91],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-37902","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-google","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37902","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=37902"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37902\/revisions"}],"predecessor-version":[{"id":50440,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37902\/revisions\/50440"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=37902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=37902"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=37902"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=37902"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=37902"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=37902"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=37902"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=37902"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=37902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}