{"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":"CVE-2025-5063: Critical Heap Corruption in Google Chrome Compositing<\/strong>"},"content":{"rendered":"

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

The vulnerability CVE-2025-5063 is a serious cybersecurity risk that affects Google Chrome’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 systems potentially vulnerable<\/a>. The severity of the issue is underscored by its potential to compromise entire systems or lead to significant data leakage<\/a>.<\/p>\n

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

CVE ID: CVE-2025-5063
\nSeverity: High (CVSS: 8.8)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: Potential system<\/a> compromise or data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

Google Chrome<\/a> | Prior to 137.0.7151.55<\/p>\n

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

The CVE-2025-5063 vulnerability is a use-after-free flaw in Google<\/a> Chrome’s compositing process. In a use-after-free vulnerability, a program continues to use memory after it has been freed or deleted, leading to a condition that can be exploited<\/a> by an attacker.
\nIn this particular case, a remote attacker can exploit this vulnerability by crafting<\/a> a malicious HTML page. When this page is loaded in a 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 execute arbitrary code<\/a>, potentially leading to system compromise or data leakage.<\/p>\n

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

Below is a conceptual example of a malicious HTML that an 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

\n\n\n<script>\n\/\/ create an object that will be removed later\nvar obj = document.createElement('object');\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<\/script>\n<\/body>\n<\/html><\/code><\/pre>\n
Note: The real-world exploitation of 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":"
Overview The vulnerability CVE-2025-5063 is a serious cybersecurity risk that affects Google Chrome’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 […]<\/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":[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":[],"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