{"id":6453,"date":"2025-08-27T10:03:29","date_gmt":"2025-08-27T10:03:29","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2025\/08\/27\/critical-chrome-use-after-free-vulnerability-let-attackers-execute-arbitrary-code\/"},"modified":"2025-08-27T10:03:29","modified_gmt":"2025-08-27T10:03:29","slug":"critical-chrome-use-after-free-vulnerability-let-attackers-execute-arbitrary-code","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2025\/08\/27\/critical-chrome-use-after-free-vulnerability-let-attackers-execute-arbitrary-code\/","title":{"rendered":"Critical Chrome Use After Free Vulnerability Let Attackers Execute Arbitrary Code"},"content":{"rendered":"

Critical Chrome Use After Free Vulnerability Let Attackers Execute Arbitrary Code
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Google has released an emergency security update for Chrome to address a critical use-after-free vulnerability (CVE-2025-9478) in the ANGLE graphics library that could allow attackers to execute arbitrary code on compromised systems.\u00a0<\/p>\n

The vulnerability affects Chrome versions prior to 139.0.7258.154\/.155 across Windows, Mac, and Linux platforms.<\/p>\n

The security flaw was discovered by Google\u2019s Big Sleep AI-powered vulnerability research team on August 11, 2025, and has been assigned the highest CVSS severity rating.\u00a0<\/p>\n

Key Takeaways<\/strong>
<\/mark>1. Chrome 139.0.7258.154\/.155 patches critical ANGLE UAF.
2. Impacts GPU rendering on Windows, Mac & Linux.
3. Update now; use EDR, isolation & CSP to block exploits.<\/pre>\n
Chrome\u2019s Stable Channel Update, released on August 26, 2025, addresses this critical memory corruption issue through automatic updates rolling out globally.<\/p>\n
Critical Chrome ANGLE Vulnerability<\/strong><\/h2>\n
The vulnerability resides within Chrome\u2019s ANGLE (Almost Native Graphics Layer Engine) library, which translates OpenGL ES API calls to hardware-specific graphics APIs, including Direct3D, Vulkan, and native OpenGL.\u00a0<\/p>\n
Use-after-free<\/a> vulnerabilities occur when a program continues to use a memory pointer after the memory has been deallocated, creating opportunities for heap manipulation and memory corruption attacks.<\/p>\n
In this specific case, the flaw in ANGLE\u2019s memory management routines could be exploited through maliciously crafted web content that triggers improper memory deallocation sequences.\u00a0<\/p>\n
Successful exploitation would allow attackers to achieve arbitrary code execution with the privileges of the Chrome renderer process, potentially leading to sandbox escape and full system compromise.<\/p>\n
The vulnerability is particularly concerning due to ANGLE\u2019s widespread usage across web applications that utilize WebGL rendering, HTML5 Canvas operations, and GPU-accelerated graphics processing.\u00a0<\/p>\n
Attackers could leverage drive-by download attacks, malicious advertisements, or compromised websites to deliver exploit payloads targeting this memory corruption flaw.<\/p>\n
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Risk Factors<\/strong><\/td>\nDetails<\/strong><\/td>\n<\/tr>\n
Affected Products<\/td>\nChrome Desktop (\u2264 139.0.7258.153) on Windows, Mac, Linux<\/td>\n<\/tr>\n
Impact<\/td>\nArbitrary code execution<\/td>\n<\/tr>\n
Exploit Prerequisites<\/td>\nUser opens malicious web content with GPU acceleration<\/td>\n<\/tr>\n
CVSS 3.1 Score<\/td>\n9.8 (Critical)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n
Mitigations<\/strong><\/h2>\n
Organizations should prioritize the immediate deployment of Chrome version 139.0.7258.154 or later to mitigate exploitation risks.\u00a0<\/p>\n
The update<\/a> includes comprehensive patches for the ANGLE library\u2019s memory management functions and enhanced heap protection mechanisms to prevent similar use-after-free conditions.<\/p>\n
Security teams should implement application allowlisting, network segmentation, and endpoint detection and response (EDR)<\/a> solutions to detect potential exploitation attempts.\u00a0<\/p>\n
Additionally, organizations should consider deploying Content Security Policy (CSP) headers and browser isolation technologies to limit the attack surface for web-based exploits targeting this vulnerability class.<\/p>\n
Given the critical nature of this flaw and its potential for zero-day exploitation<\/a>, security professionals should monitor for unusual network traffic patterns, unexpected process spawning, and anomalous memory allocation behaviors that may indicate active exploitation attempts against unpatched Chrome installations.<\/p>\n
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The post Critical Chrome Use After Free Vulnerability Let Attackers Execute Arbitrary Code<\/a> appeared first on Cyber Security News<\/a>.<\/p>\n<\/div>\n
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Critical Chrome Use After Free Vulnerability Let Attackers Execute Arbitrary Code Google has released an emergency security update for Chrome to address a critical use-after-free vulnerability (CVE-2025-9478) in the ANGLE graphics library that could allow attackers to execute arbitrary code on compromised systems.\u00a0 The vulnerability affects Chrome versions prior to 139.0.7258.154\/.155 across Windows, Mac, and […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[768,129,63,131,648],"tags":[130],"class_list":["post-6453","post","type-post","status-publish","format-standard","hentry","category-chrome","category-cyber-security","category-cyber-security-news","category-vulnerability","category-vulnerability-news","tag-cyber-security-news"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/6453"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=6453"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/6453\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=6453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=6453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=6453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}