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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. calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:user_metadata that is passed unsanitized to exec() in the template formatter. This issue is fixed in version 9.10.0.
Rawhide has 9.11.0, so not affected. Will see about updating f44/f43.
FEDORA-2026-79a5573be3 (calibre-9.11.0-1.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-79a5573be3
FEDORA-2026-6776f4e492 (calibre-9.11.0-1.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-6776f4e492
FEDORA-2026-6776f4e492 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-2026-6776f4e492` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-6776f4e492 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-79a5573be3 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-2026-79a5573be3` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-79a5573be3 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-79a5573be3 (calibre-9.11.0-1.fc44) has been pushed to the Fedora 44 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-6776f4e492 (calibre-9.11.0-1.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report.