Out-of-bounds Read Affecting qt/qtconnectivity package, versions [5.4.0,6.8.2)[6.9.0-beta1,6.9.0-beta2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-QTQTCONNECTIVITY-13893779
- published10 Dec 2025
- disclosed31 Oct 2025
- creditMarc Mutz
Introduced: 31 Oct 2025
CVE-2025-23050 (opens in a new tab)How to fix?
Upgrade qt/qtconnectivity to version 6.8.2, 6.9.0-beta2 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read via the QLowEnergyController when handling malformed Bluetooth ATT commands on Linux. An attacker can cause denial of service by sending specially crafted Bluetooth ATT commands that trigger an out-of-bounds read or division by zero.
Note: According to Qt Group, the fix is also backported to 6.5.9 and 5.15.19; however, at the time of writing, those versions have not been released. Patches are available as diff files here