Fedora 43: calibre 8.14.0 Critical Update to Prevent Code Execution Risks
fedora
November 24, 2025
Update to 8.14.0
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 8.14.0. Fixes rhbz#2413304
Topics Covered
Change Log
* Sat Nov 15 2025 Kevin Fenzi
References
[ 1 ] Bug #2413304 - calibre-8.14.0 is available https://bugzilla.redhat.com/show_bug.cgi?id=2413304 [ 2 ] Bug #2414459 - CVE-2025-64486 calibre: calibre is vulnerable to arbitrary code execution when opening FB2 files [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2414459
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-355be35bb1' 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 43
Version: 8.14.0
Release: 1.fc43
Summary: E-book converter and library manager
Topics Covered
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