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CVE-2025-23050

Good to know:

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Date: October 30, 2025

QLowEnergyController in Qt before 6.8.2 mishandles malformed Bluetooth ATT commands, leading to an out-of-bounds read (or division by zero). This is fixed in 5.15.19, 6.5.9, and 6.8.2.

Severity Score

Related Resources (4)

https://codereview.qt-project.org/q/QLowEnergyController
https://www.qt.io/blog/security-advisory-qlowenergycontroller-on-linux
https://nvd.nist.gov/vuln/detail/CVE-2025-23050
https://www.mend.io/vulnerability-database/CVE-2025-23050

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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Upgrade Version

Upgrade to version https://github.com/qt/qtconnectivity.git - v6.8.2;https://github.com/qt/qtconnectivity.git - v6.5.9;https://github.com/qt/qtconnectivity.git - v5.15.19

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CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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