Bug 2563350

Summary: CVE-2026-107157 mingw-qt6-qtbase: Out-of-bounds read vulnerability in QCborValue::fromCbor() impacts Qt Framework [fedora-all]
Product: [Fedora] Fedora Reporter: Joel Chamberlain <jochambe>
Component: mingw-qt6-qtbaseAssignee: Sandro Mani <manisandro>
Status: ON_QA --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: rawhideCC: kde-sig, manisandro
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["394d9a01-aa47-4359-bc0d-2ef98f7e1225"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2560729    

Description Joel Chamberlain 2026-10-29 13:08:11 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.

Out-of-bounds read vulnerability in QCborValue::fromCbor() impacts Qt Framework.

Comment 1 Fedora Update System 2026-10-31 15:15:02 UTC
FEDORA-2026-5244693d13 (mingw-qt6-qtbase-6.10.3-2.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-5244693d13

Comment 2 Fedora Update System 2026-11-01 03:17:54 UTC
FEDORA-2026-5244693d13 has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-5244693d13`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-5244693d13

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.