CVE-2022-0468 in Edge
Summary
by MITRE • 04/05/2022
Use after free in Payments in Google Chrome prior to 98.0.4758.80 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 use-after-free condition in the payments functionality of google chrome browser versions prior to 98.0.4758.80. The flaw occurs when the browser processes crafted html content that triggers improper memory management during payments processing operations. The vulnerability is classified as a use-after-free issue which falls under the common weakness enumeration cwe-416, where a program continues to reference memory after it has been freed, potentially allowing attackers to manipulate heap memory structures.
The technical implementation involves the browser's handling of payment requests where memory allocated for payment processing objects becomes freed but subsequent code references this memory location. This creates an opportunity for heap corruption that can be exploited by remote attackers through maliciously crafted web pages. When a victim visits a compromised website containing malicious html content, the browser's payment processing module executes code that triggers the use-after-free condition, potentially allowing arbitrary code execution in the context of the browser's sandboxed environment.
The operational impact of this vulnerability extends beyond simple memory corruption as it provides attackers with a pathway to execute arbitrary code remotely. This represents a significant security risk in the context of modern browser security models where sandboxing mechanisms are designed to prevent such exploits. The vulnerability affects the core payment processing functionality of chrome, which is frequently used in web applications that handle sensitive financial transactions. Attackers could potentially leverage this vulnerability to access user payment information, perform unauthorized transactions, or escalate privileges within the browser environment.
The exploitability of this vulnerability is enhanced by the fact that it requires no user interaction beyond visiting a malicious website, making it particularly dangerous in phishing campaigns or compromised websites. The heap corruption that results from this use-after-free condition can be manipulated to overwrite critical memory structures or function pointers, potentially leading to complete browser compromise. This vulnerability aligns with attack techniques described in the mitre attack framework under initial access and execution tactics, where attackers establish footholds through web-based exploitation. The remediation for this vulnerability requires updating to chrome version 98.0.4758.80 or later, which implements proper memory management controls and heap safety mechanisms to prevent the use-after-free condition from occurring during payment processing operations.