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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. DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOM_ELEMENT_HANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements that later re-inject them into innerHTML sinks, creating second-order XSS gadgets.
FEDORA-EPEL-2026-b2421df34a (nextcloud-34.0.3-1.el10_3) has been submitted as an update to Fedora EPEL 10.3. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-b2421df34a
FEDORA-2026-a1368a72b4 (nextcloud-34.0.3-1.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-a1368a72b4
FEDORA-2026-625cbe86c8 (nextcloud-34.0.3-1.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-625cbe86c8
FEDORA-EPEL-2026-15025fbfe6 (nextcloud-34.0.3-1.el10_2) has been submitted as an update to Fedora EPEL 10.2. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-15025fbfe6
FEDORA-EPEL-2026-15025fbfe6 has been pushed to the Fedora EPEL 10.2 testing repository. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-15025fbfe6 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-a1368a72b4 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-a1368a72b4` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-a1368a72b4 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-EPEL-2026-b2421df34a has been pushed to the Fedora EPEL 10.3 testing repository. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-b2421df34a See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-625cbe86c8 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-2026-625cbe86c8` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-625cbe86c8 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-EPEL-2026-15025fbfe6 (nextcloud-34.0.3-1.el10_2) has been pushed to the Fedora EPEL 10.2 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-a1368a72b4 (nextcloud-34.0.3-1.fc44) has been pushed to the Fedora 44 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-EPEL-2026-b2421df34a (nextcloud-34.0.3-1.el10_3) has been pushed to the Fedora EPEL 10.3 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-625cbe86c8 (nextcloud-34.0.3-1.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report.