Bug 2447973

Summary: CVE-2026-32777 mingw-expat: libexpat: Denial of Service via infinite loop in DTD content parsing [fedora-all]
Product: [Fedora] Fedora Reporter: Dhananjay Arunesh <darunesh>
Component: mingw-expatAssignee: Richard W.M. Jones <rjones>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: manisandro, rjones
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["87e23fbb-bcb8-4080-993a-494dafc787a9"]}
Fixed In Version: mingw-expat-2.7.5-1.fc44 mingw-expat-2.7.5-1.fc43 mingw-expat-2.7.5-1.fc42 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-03-30 00:16:13 UTC 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: 2447890    

Description Dhananjay Arunesh 2026-03-16 12:10:12 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 Fedora Update System 2026-03-21 21:46:30 UTC
FEDORA-2026-cf814a1a06 (mingw-expat-2.7.5-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-cf814a1a06

Comment 2 Fedora Update System 2026-03-21 21:46:31 UTC
FEDORA-2026-1cbd107c34 (mingw-expat-2.7.5-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-1cbd107c34

Comment 3 Fedora Update System 2026-03-21 21:46:31 UTC
FEDORA-2026-e70c1919fe (mingw-expat-2.7.5-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-e70c1919fe

Comment 4 Fedora Update System 2026-03-22 01:40:20 UTC
FEDORA-2026-cf814a1a06 has been pushed to the Fedora 44 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-cf814a1a06`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-cf814a1a06

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

Comment 5 Fedora Update System 2026-03-22 01:55:36 UTC
FEDORA-2026-e70c1919fe 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-e70c1919fe`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-e70c1919fe

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

Comment 6 Fedora Update System 2026-03-22 02:14:49 UTC
FEDORA-2026-1cbd107c34 has been pushed to the Fedora 42 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-1cbd107c34`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-1cbd107c34

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

Comment 7 Fedora Update System 2026-03-30 00:16:13 UTC
FEDORA-2026-cf814a1a06 (mingw-expat-2.7.5-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-03-30 00:53:54 UTC
FEDORA-2026-e70c1919fe (mingw-expat-2.7.5-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 9 Fedora Update System 2026-03-30 18:41:31 UTC
FEDORA-2026-1cbd107c34 (mingw-expat-2.7.5-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.