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.
PUBLISHED5.2CWE-125
Problem type
Affected products
Qt
Qt
< 5.15.19 - AFFECTED
< 6.5.9 - AFFECTED
< 6.8.2 - AFFECTED
References
codereview.qt-project.org
https://codereview.qt-project.org/q/QLowEnergyController
qt.io
https://www.qt.io/blog/security-advisory-qlowenergycontroller-on-linux
GitHub Security Advisories
GHSA-pj6p-fx56-wq5h
QLowEnergyController in Qt before 6.8.2 mishandles malformed Bluetooth ATT commands, leading to...
https://github.com/advisories/GHSA-pj6p-fx56-wq5hQLowEnergyController 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.
JSON source
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-23050",
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"dateUpdated": "2025-10-31T16:47:22.226Z",
"dateReserved": "2025-01-10T00:00:00.000Z",
"datePublished": "2025-10-31T00:00:00.000Z",
"state": "PUBLISHED"
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"affected": [
{
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"defaultStatus": "unaffected",
"versions": [
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"problemTypes": [
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"description": "CWE-125 Out-of-bounds Read",
"cweId": "CWE-125",
"type": "CWE"
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"references": [
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}