{"id":48260,"date":"2025-06-02T22:57:48","date_gmt":"2025-06-02T22:57:48","guid":{"rendered":""},"modified":"2025-06-09T23:28:13","modified_gmt":"2025-06-10T05:28:13","slug":"cve-2025-5063-critical-heap-corruption-in-google-chrome-compositing","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5063-critical-heap-corruption-in-google-chrome-compositing\/","title":{"rendered":"<strong>CVE-2025-5063: Critical Heap Corruption in Google Chrome Compositing<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The vulnerability CVE-2025-5063 is a serious cybersecurity risk that affects Google Chrome&#8217;s compositing process prior to version 137.0.7151.55. This use-after-free vulnerability could be exploited by a remote attacker through a carefully crafted HTML page, potentially leading to heap corruption. The issue is a significant concern due to the widespread use of Google Chrome, making many <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39495-high-critical-vulnerability-in-boldthemes-avantage-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"54213\">systems potentially vulnerable<\/a>. The severity of the issue is underscored by its potential to compromise entire systems or lead to significant <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48383-django-select2-vulnerability-risking-data-leakage-and-unauthorized-access\/\"  data-wpil-monitor-id=\"56184\">data leakage<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-5063<br \/>\nSeverity: High (CVSS: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5100-a-double-free-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"56784\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1254961645\" 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-2025-5958-critical-heap-corruption-vulnerability-in-google-chrome-media-functionality\/\"  data-wpil-monitor-id=\"61112\">Google Chrome<\/a> | Prior to 137.0.7151.55<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-5063 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4052-a-ui-gesture-driven-vulnerability-in-google-chrome-s-devtools\/\"  data-wpil-monitor-id=\"55309\">vulnerability is a use-after-free flaw in Google<\/a> Chrome&#8217;s compositing process. In a use-after-free vulnerability, a program continues to use memory after it has been freed or deleted, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-49563-improper-neutralization-exploit-in-dell-unity-leads-to-privilege-escalation\/\"  data-wpil-monitor-id=\"56783\">leading to a condition that can be exploited<\/a> by an attacker.<br \/>\nIn this particular case, a remote attacker can exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31924-deserialization-of-untrusted-data-vulnerability-in-designthemes-crafts-arts\/\"  data-wpil-monitor-id=\"54936\">vulnerability by crafting<\/a> a malicious HTML page. When this page is loaded in a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5280-a-high-severity-heap-corruption-vulnerability-in-google-chrome-v8\/\"  data-wpil-monitor-id=\"56183\">vulnerable version of Google Chrome<\/a>, the browser might attempt to access a memory block that has already been freed within its compositing process. This can lead to heap corruption, which could, in turn, allow the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48828-arbitrary-php-code-execution-in-vbulletin-via-template-conditionals\/\"  data-wpil-monitor-id=\"55748\">execute arbitrary code<\/a>, potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3923617634\" 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 a malicious HTML that an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5353-local-authenticated-attacker-exploit-in-ivanti-workspace-control\/\"  data-wpil-monitor-id=\"61113\">attacker might use to exploit<\/a> this vulnerability. This is not a real exploit code, but a simplified representation of how an attacker might attempt to trigger the use-after-free condition:<\/p>\n<pre><code class=\"\" data-line=\"\">&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n&lt;body&gt;\n&lt;script&gt;\n\/\/ create an object that will be removed later\nvar obj = document.createElement(&#039;object&#039;);\n\/\/ append the object to the body to place it in memory\ndocument.body.appendChild(obj);\n\/\/ remove the object to free up the memory it occupied\ndocument.body.removeChild(obj);\n\/\/ attempt to use the removed object, triggering the use-after-free condition\nobj.specificFunction();\n&lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<p>Note: The real-world exploitation of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21999-use-after-free-vulnerability-in-linux-kernel\/\"  data-wpil-monitor-id=\"56835\">use-after-free vulnerabilities<\/a> typically involves more sophisticated techniques and deep understanding of browser internals, memory management, and exploitation techniques. The example provided here is greatly simplified for illustrative purposes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The vulnerability CVE-2025-5063 is a serious cybersecurity risk that affects Google Chrome&#8217;s compositing process prior to version 137.0.7151.55. This use-after-free vulnerability could be exploited by a remote attacker through a carefully crafted HTML page, potentially leading to heap corruption. The issue is a significant concern due to the widespread use of Google Chrome, making [&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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-48260","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-google"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/48260","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=48260"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/48260\/revisions"}],"predecessor-version":[{"id":54790,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/48260\/revisions\/54790"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=48260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=48260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=48260"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=48260"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=48260"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=48260"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=48260"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=48260"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=48260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}