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Fedora 43: Sigil 2.6.2 Security Bugs Fix Advisory 2025-0cc929ff17

fedora
Calendar Grey December 4, 2025
Dist Fedora Esm H88
Rebuilt Sigil for Fedora 43 includes significant fixes for two critical security bugs in PySide6.
PySide6 6.10.1 update

Summary

Sigil is a multi-platform WYSIWYG ebook editor. It is designed to edit books

in ePub format.

Now what does it have to offer...

* Full Unicode support: everything you see in Sigil is in UTF-16

* Full EPUB spec support

* WYSIWYG editing

* Multiple Views: Book View, Code View and Split View

* Metadata editor with full support for all possible metadata entries with

full descriptions for each

* Table Of Contents editor

* Multi-level TOC support

* Book View fully supports the display of any XHTML document possible under

the OPS spec

* SVG support

* Basic XPGT support

* Advanced automatic conversion of all imported documents to Unicode

* Currently imports TXT, HTML and EPUB files; more will be added with time

* Embedded HTML Tidy; all imported documents are thoroughly cleaned;

changing views cleans the document so no matter how much you screw up

your code, it will fix it (usually)

Update Information:

PySide6 6.10.1 update. Pyside6 6.10.1 release. Rebuilt with stb_image patched for two new security bugs.

Topics%20covered

Topics Covered

security advisory security issue fedora important bugs sigil

Change Log

* Tue Dec 2 2025 Jan Grulich - 2.6.2-3 - Rebuild (python-pyside6)

References


[ 1 ] Bug #2400455 - python-pyside6-6.10.1 is available https://bugzilla.redhat.com/show_bug.cgi?id=2400455

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-0cc929ff17' 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

Severity
important
Lowest
Low
Medium
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Critical

Name: sigil
Product: Fedora 43
Version: 2.6.2
Release: 3.fc43
URL: https://sigil-ebook.com/
Summary: WYSIWYG ebook editor

Topics%20covered

Topics Covered

security advisory security issue fedora important bugs sigil

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