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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. libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions.
This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle. Changing version to 45.
FEDORA-2026-43f21f29dc (mingw-expat-2.8.3-1.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-43f21f29dc
FEDORA-2026-f5e2a6b9b5 (mingw-expat-2.8.3-1.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-f5e2a6b9b5
FEDORA-2026-6d1e651eb5 (mingw-expat-2.8.3-1.fc45) has been submitted as an update to Fedora 45. https://bodhi.fedoraproject.org/updates/FEDORA-2026-6d1e651eb5
FEDORA-2026-43f21f29dc 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-2026-43f21f29dc` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-43f21f29dc See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-f5e2a6b9b5 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-f5e2a6b9b5` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f5e2a6b9b5 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-6d1e651eb5 has been pushed to the Fedora 45 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-6d1e651eb5` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-6d1e651eb5 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-43f21f29dc (mingw-expat-2.8.3-1.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-f5e2a6b9b5 (mingw-expat-2.8.3-1.fc44) has been pushed to the Fedora 44 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-9e9244744d (mingw-expat-2.8.4-1.fc45) has been pushed to the Fedora 45 stable repository. If problem still persists, please make note of it in this bug report.