CVE-2019-6743

HIGH

Xiaomi Mi6 Browser < 10.4.0 - Remote Code Execution via WebAssembly.Instance Heap Overflow

Title source: llm
STIX 2.1

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Xiaomi Mi6 Browser prior to 10.4.0. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the WebAssembly.Instance method. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-7466.

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-19-366/

Scores

CVSS v3 8.8
EPSS 0.0245
EPSS Percentile 82.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
mi/mi6_browser < 10.4.0
Published Jun 03, 2019
Tracked Since Feb 18, 2026