CVE-2022-2008 in Edge
Summary
by MITRE • 07/28/2022
Double free in WebGL in Google Chrome prior to 102.0.5005.115 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
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Analysis
by VulDB Data Team • 05/09/2026
This vulnerability represents a critical heap corruption issue affecting Google Chrome versions prior to 102.0.5005.115 within its WebGL implementation. The double free condition occurs when the same memory block is deallocated twice, creating a scenario where an attacker can manipulate the heap structure and potentially execute arbitrary code. The flaw resides in how Chrome handles WebGL context management and memory deallocation processes, specifically when processing crafted HTML content that triggers multiple free operations on the same memory region. This type of vulnerability falls under CWE-415, which classifies improper handling of memory deallocation operations as a fundamental weakness in software security. The attack vector requires a remote user to craft a malicious HTML page that, when loaded in Chrome, triggers the vulnerable WebGL code path. The operational impact extends beyond simple memory corruption as it can potentially enable privilege escalation and arbitrary code execution on the target system. This vulnerability aligns with ATT&CK technique T1059.007, which covers scripting languages through web-based attacks, and T1548.001, which addresses privilege escalation via local commands and scripts. The exploitability of this issue is heightened by the fact that it operates through standard web browsing channels, making it particularly dangerous in real-world scenarios where users may encounter malicious content without explicit security awareness. The double free condition creates opportunities for heap spraying and memory layout manipulation that can be leveraged to achieve code execution. Security researchers have noted that such heap corruption vulnerabilities often require precise exploitation techniques involving memory layout control and can be amplified by modern exploitation frameworks. The vulnerability demonstrates a classic memory safety issue that underscores the importance of proper memory management in complex software systems. Browser vendors have classified this as a high-severity issue due to its potential for remote code execution and the widespread use of Chrome as a primary web browser. The remediation involves updating to Chrome version 102.0.5005.115 or later, which implements proper memory deallocation checks and prevents the double free condition from occurring during WebGL operations. Organizations should prioritize this patch deployment as part of their vulnerability management processes, particularly in environments where users may encounter untrusted web content. The incident highlights the ongoing challenges in maintaining memory safety in large-scale applications and the critical need for automated memory checking tools and secure coding practices. This vulnerability serves as a reminder of the importance of regular security updates and the potential consequences of memory corruption issues in widely deployed software systems. The exploitation of such vulnerabilities often requires sophisticated techniques that combine multiple attack vectors and can result in complete system compromise when successful. Security teams should monitor for indicators of compromise related to this vulnerability and ensure that all browser installations are maintained at supported versions to prevent exploitation attempts.