Fedora 44 Calibre 9.6.0 Important Server-Side Request Forgery Patch
fedora
April 25, 2026
Update to 9.6.0
Summary
Calibre is meant to be a complete e-library solution. It includes library
management, format conversion, news feeds to ebook conversion as well as
e-book reader sync features.
Calibre is primarily a ebook cataloging program. It manages your ebook
collection for you. It is designed around the concept of the logical book,
i.e. a single entry in the database that may correspond to ebooks in several
formats. It also supports conversion to and from a dozen different ebook
formats.
Supported input formats are: MOBI, LIT, PRC, EPUB, CHM, ODT, HTML, CBR, CBZ,
RTF, TXT, PDF and LRS.
Update Information:
Update to 9.6.0. Fixes rhbz#2452087
Topics Covered
Change Log
* Sun Mar 29 2026 Kevin Fenzi
References
[ 1 ] Bug #2452087 - calibre-9.6.0 is available
https://bugzilla.redhat.com/show_bug.cgi?id=2452087
[ 2 ] Bug #2452379 - CVE-2026-33205 calibre: server-side request forgery in ebook viewer backend [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2452379
[ 3 ] Bug #2452380 - CVE-2026-33206 calibre: path traversal allows reading arbitrary files when converting a text-based file [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2452380
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-7de23151cd' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
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Name: calibre
Product: Fedora 44
Version: 9.6.0
Release: 1.fc44
Summary: E-book converter and library manager
Topics Covered
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