Bug 2433357

Summary: CVE-2026-1489 glib: GLib: Memory corruption via integer overflow in Unicode case conversion [fedora-all]
Product: [Fedora] Fedora Reporter: Abhishek Raj <abhraj>
Component: glibAssignee: Paul Howarth <paul>
Status: CLOSED NOTABUG QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: 43CC: paul, suraj.ghimire7
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["d470bbb6-b269-4798-a1d3-478115405f5e"]}
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Clone Of: Environment:
Last Closed: 2026-01-28 08:34:00 UTC Type: ---
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2433348    

Description Abhishek Raj 2026-01-27 14:08:47 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.

Comment 1 Paul Howarth 2026-01-28 08:34:00 UTC
There is no Unicode processing functionality in glib version 1; that is a feature introduced in glib2.