CVE-2026-113107 in Chrome
Summary
by MITRE • 10/21/2026
Use after free in Media in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to 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 a use-after-free condition within Google Chrome for Android, specifically in versions prior to 156.0.8078.47, represents a critical memory management flaw that can lead to arbitrary code execution under the browser's sandbox environment. This type of error occurs when a program continues to use a pointer after it has been freed, leading to undefined behavior that attackers can exploit to gain unauthorized access or control over system resources. In this specific instance, the vulnerability resides within the media subsystem of Chrome on Android, which handles various multimedia content including audio and video playback functionalities. The presence of such a flaw indicates an inconsistency in how memory references are managed during the lifecycle of media objects, particularly when these objects are destroyed while still being referenced by other parts of the application logic.
From a technical perspective, use-after-free vulnerabilities arise due to improper handling of object lifecycles within complex software architectures like web browsers. When a developer allocates memory for an object and subsequently frees it without updating all references to that object, any subsequent access through those stale pointers can result in reading or writing to arbitrary memory locations. In the context of Chrome's sandboxed environment, where processes are isolated to limit potential damage from compromised pages, exploiting this flaw allows a remote attacker to bypass certain security boundaries. By crafting an HTML page with malicious JavaScript code that triggers the premature deallocation and subsequent access of media-related objects, an attacker can manipulate memory states in ways that facilitate arbitrary code execution within the restricted sandbox context.
The operational impact of this vulnerability is significant because it enables remote attackers to execute arbitrary commands on a victim's device through simple interaction with a crafted web page. This could lead to data exfiltration, installation of malware, or further escalation of privileges depending on the specific implementation details and surrounding security controls. Although Chromium classifies this issue as low severity, indicating that exploitation might require specific conditions or limited impact in some scenarios, any remote code execution capability remains a serious concern for mobile device security. Users relying on Chrome for Android are potentially exposed to risks such as session hijacking, credential theft, or complete compromise of the application environment if they visit maliciously constructed sites designed to trigger this flaw.
To mitigate these risks, it is imperative that users update their Google Chrome browser to version 156.0.8078.47 or later on Android devices immediately upon availability. This patch addresses the underlying memory management issues within the media component by ensuring proper reference counting and lifecycle management for allocated objects. Additionally, security professionals should monitor for indicators of compromise related to this vulnerability in network traffic logs and endpoint detection systems. Implementing strict content security policies and utilizing browser hardening techniques can also reduce the attack surface available to potential exploiters. Regularly updating software components is crucial as part of a comprehensive defense-in-depth strategy against memory corruption vulnerabilities that continue to pose significant threats across modern web browsers.
This vulnerability aligns with Common Weakness Enumeration (CWE) category CWE-416, which describes use after free errors resulting from improper management of dynamically allocated memory. Furthermore, the exploitation technique falls under MITRE ATT&CK framework techniques associated with initial access and execution via browser-based attacks, highlighting the importance of keeping client-side applications up to date against known exploits targeting web rendering engines. Organizations should prioritize patching efforts for Android devices running affected versions of Chrome to prevent potential breaches stemming from this specific memory corruption flaw.