CVE-2026-113341 in Chrome
Summary
by MITRE • 10/21/2026
Memory corruption in Skia in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
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Analysis
by VulDB Data Team • 10/22/2026
The vulnerability identified involves a critical memory corruption flaw within the Skia graphics library, which serves as the core 2D rendering engine for Google Chrome on Android platforms prior to version 156.0.8078.47. This issue is classified under CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer, indicating that the flaw stems from an improper handling of memory allocation or access operations. The Skia library processes various graphical elements and image data during page rendering, and in this specific instance, the processing logic failed to adequately validate input parameters or buffer boundaries when parsing crafted HTML content containing maliciously constructed graphics instructions.
An attacker could exploit this vulnerability by hosting a specially crafted HTML page that triggers the flawed code path within Skia. When a victim visits this webpage using an affected version of Chrome on Android, the browser attempts to render the embedded graphical elements. Due to the memory corruption defect, the application may write data beyond the allocated buffer limits or read from uninitialized or freed memory regions. This type of out-of-bounds access is particularly dangerous because it can lead to arbitrary code execution if controlled by an attacker, but in this specific context, the primary risk highlighted is information disclosure through unauthorized memory reads.
The operational impact centers on the potential for a remote attacker to read sensitive data from within Chrome's sandboxed environment. Modern browsers employ strict sandboxing mechanisms to isolate web content and prevent malicious scripts from accessing critical system resources or user data such as cookies, passwords, and session tokens. However, this vulnerability allows an adversary to bypass certain isolation boundaries by leveraging the memory corruption to leak contents of adjacent memory spaces that may contain sensitive information belonging to other tabs or processes within the same browser instance. This constitutes a significant breach of confidentiality and undermines the security model designed to protect user privacy against cross-site scripting and data exfiltration attacks.
From a threat intelligence perspective, this vulnerability aligns with MITRE ATT&CK technique T1059 Command and Scripting Interpreter if used for further exploitation chains, but more directly relates to T1074 Data Staged or T1005 Data from Local System depending on the specific memory regions accessed. The severity is rated as Critical by Chromium security teams due to the ease of remote exploitation via standard web browsing activities without requiring user interaction beyond visiting a malicious site. This highlights the importance of timely patching for mobile browser users, as Android devices are frequently targeted through drive-by download attacks and phishing campaigns that utilize sophisticated HTML payloads designed to trigger such rendering engine flaws.
Mitigation strategies primarily involve updating Google Chrome on Android to version 156.0.8078.47 or later, where the underlying Skia library has been patched to enforce stricter bounds checking during memory operations. Users should ensure automatic updates are enabled to receive security patches promptly as they become available. Additionally, organizations deploying mobile devices in enterprise environments should utilize Mobile Device Management solutions to enforce browser version compliance and restrict access to untrusted web content until vulnerabilities are resolved. Security awareness training for end-users remains essential to reduce the likelihood of interacting with malicious links that could trigger such exploits, although technical controls like sandboxing provide a critical layer of defense against successful exploitation attempts.