Bug 2565253 - CVE-2026-107457 qt6-qtmqtt: qt: Denial of Service via memory corruption in QMqttClient [fedora-all]
Summary: CVE-2026-107457 qt6-qtmqtt: qt: Denial of Service via memory corruption in QM...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: qt6-qtmqtt
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Dana
QA Contact:
URL:
Whiteboard: {"flaws": ["d81e09ef-3a77-4d44-ab58-c...
Depends On:
Blocks: CVE-2026-107457
TreeView+ depends on / blocked
 
Reported: 2026-11-02 16:24 UTC by Joel Chamberlain
Modified: 2026-11-02 16:24 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:

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Description Joel Chamberlain 2026-11-02 16:24:10 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

A memory corruption vulnerability in the QMqttClient class of the Qt MQTT module. Under certain MQTT 5 connection settings between client and server, QMqttClient may corrupt memory, which can cause the application to crash.
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