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TI-2019-04780 Aliases CVE-2019-6743GHSA-64gc-xrvh-3pxm

Out-of-bounds write in Xiaomi Browser

Priority MEDIUM 43CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.02446 84th percentileScored 2026-11-07
Fix Fixed Browser (Xiaomi): 10.4.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
XiaomiBrowserbefore 10.4.010.4.0Patch availableCNA
  • Browser VendorXiaomi Affected before 10.4.0 Fixed in 10.4.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mi:mi6_browser:*:*:*:*:*:*:*:*before 10.4.0VulnerableMi
  • cpe:2.3:a:mi:mi6_browser:*:*:*:*:*:*:*:* Versions before 10.4.0 Vulnerable ·Mi

Remediation

  • Fix · CNA Browser (Xiaomi) Fixed in 10.4.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-6743
  2. 2026-10-03 Alias added: GHSA-64gc-xrvh-3pxm

References

Advisory 1

  • TI-2023-11468 Xiaomi router has a command injection vulnerability after authorization CVSS 3.1HIGH 8.8
  • TI-2026-23331 MiCode FileExplorer SwiFTP Server Authentication Bypass CVSS 4.0CRITICAL 9.3
  • TI-2024-04103 Cross-site scripting in Xiaomi Pro 13 CVSS 3.1CRITICAL 9.6
  • TI-2020-11037 Out-of-bounds write in Xiaomi router R3600 CVSS 3.1CRITICAL 9.8
  • TI-2020-11036 Out-of-bounds write in Xiaomi router R3600 CVSS 3.1CRITICAL 9.8
  • TI-2024-04102 Cross-site scripting in Xiaomi Pro 13 CVSS 3.1CRITICAL 9.6
See all 27 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences