CVE-2026-113088 in Chrome
Summary
by MITRE • 10/21/2026
Memory corruption in Mobile in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 10/21/2026
The vulnerability identified as CVE-2023-6939 represents a critical memory corruption flaw within the Mobile component of Google Chrome for Android, specifically affecting versions prior to 156.0.8078.47. This defect resides in the core rendering and execution engine that processes web content, allowing an attacker who hosts or manipulates malicious HTML pages to trigger undefined behavior during memory allocation or deallocation routines. The severity is classified as Low by Chromium security standards due to the presence of modern browser sandboxing mechanisms which typically restrict the impact of such flaws; however, the potential for arbitrary code execution remains a significant concern if other mitigations are bypassed or if specific exploit chains are employed that leverage this memory state corruption to achieve control flow hijacking.
From a technical perspective, memory corruption vulnerabilities in web browsers often stem from improper handling of object lifecycles, use-after-free conditions, or buffer overflows within the JavaScript engine or rendering pipeline. In this instance, crafting an HTML page with specific malicious payloads can cause Chrome to write data beyond allocated boundaries or access freed memory regions. This leads to heap metadata corruption or stack-based overflow scenarios that may allow a remote attacker to overwrite function pointers or return addresses. Although the sandbox isolates browser processes from the operating system kernel and user files, successful exploitation could potentially lead to escape techniques where the attacker gains code execution within the limited permissions of the Chrome process, which serves as a stepping stone for further privilege escalation attacks against the underlying Android OS.
The operational impact of this vulnerability is primarily tied to drive-by download scenarios or malicious web pages that users might visit inadvertently through phishing links, compromised advertisements, or untrusted websites. An attacker could exploit this flaw to execute arbitrary code within the browser sandbox, potentially stealing sensitive data such as cookies, session tokens, and browsing history stored by Chrome. Furthermore, if combined with other vulnerabilities in the Android framework or specific device drivers, it might facilitate a more severe compromise of the mobile device. The low severity rating suggests that while exploitation is possible, it likely requires complex conditions or additional bugs to achieve full system compromise, making it less critical than high-severity remote code execution flaws but still requiring prompt attention due to its potential role in multi-stage attack vectors.
To mitigate this risk, users must immediately update Google Chrome on their Android devices to version 156.0.8078.47 or later, where the underlying memory management routines have been patched to prevent the corruption conditions described. Security administrators should enforce automatic updates for corporate-managed devices and ensure that browser policies restrict access to untrusted web content when possible. From a defensive posture perspective, this vulnerability aligns with CWE-120 Buffer Copy without Checking Size of Input or CWE-416 Use After Free, depending on the specific internal mechanics identified by Chromium engineers. In terms of attack taxonomy, it relates to MITRE ATT&CK technique T1059 Command and Scripting Interpreter if used for initial access via malicious scripts, and potentially T1203 Exploitation for Client Execution when targeting end-user devices. Continuous monitoring for anomalous browser behavior and keeping all software components up to date remain the most effective strategies against such memory corruption exploits.