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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. Improper Handling of Exceptional Conditions vulnerability in the aspnet-request pattern converter of Apache log4net. Reading request parameters triggers ASP.NET request validation, so a request carrying content such as markup made the layout throw and the appender discarded the whole event. A sender could suppress the log record of their own request. Only applications on ASP.NET for .NET Framework whose layout uses %aspnet-request are affected. This issue affects Apache log4net: from 1.2.11 before 3.5.0. Users are recommended to upgrade to version 3.5.0, which fixes the issue.
FEDORA-2026-588bc7e01c (log4net-3.5.0-1.fc43 and nant-0.92-43.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-588bc7e01c
FEDORA-2026-6515ac01d8 (log4net-3.5.0-1.fc45 and nant-0.92-43.fc45) has been submitted as an update to Fedora 45. https://bodhi.fedoraproject.org/updates/FEDORA-2026-6515ac01d8
FEDORA-2026-0bf84c3130 (log4net-3.5.0-1.fc44 and nant-0.92-43.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-0bf84c3130
FEDORA-2026-6515ac01d8 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-2026-6515ac01d8` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-6515ac01d8 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-0bf84c3130 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-2026-0bf84c3130` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-0bf84c3130 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-588bc7e01c 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-2026-588bc7e01c` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-588bc7e01c See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-0bf84c3130 (log4net-3.5.0-1.fc44 and nant-0.92-43.fc44) has been pushed to the Fedora 44 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-588bc7e01c (log4net-3.5.0-1.fc43 and nant-0.92-43.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report.