Vulnerability DatabaseCVE-2026-101201
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CVE-2026-101201
Published:October 20, 2026
Updated:October 20, 2026
A malformed header in the binary file fed to QBinaryJson::fromBinaryData() can cause undefined behaviour because of out-of-bounds read.
Affected Packages
qt6-main (CONDA):
Affected version(s) >=6.6.1 <6.12.0
Fix Suggestion:
Update to version 6.12.0
https://github.com/qt/qt5compat.git (GITHUB):
Affected version(s) >=v6.0.0-alpha1 <v6.12.0
Fix Suggestion:
Update to version v6.12.0
Related Resources (3)
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-101201
https://codereview.qt-project.org/c/qt/qt5compat/+/758925
https://codereview.qt-project.org/c/qt/qt5compat/+/759230
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CVSS v4
Base Score:
4.3
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
UNREPORTED
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Read
CWE-125
Integer Overflow or Wraparound
CWE-190
EPSS
Base Score:
0.13