Bug 515696

Summary: Can't read epub, there's a blank page instead of the expected ebook
Product: [Applications] okular Reporter: stemy
Component: EPub backendAssignee: Okular developers <okular-devel>
Status: NEEDSINFO WAITINGFORINFO    
Severity: normal CC: aacid
Priority: NOR    
Version First Reported In: 25.12.2   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description stemy 2026-02-07 21:01:57 UTC 
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SUMMARY
When i open an epub file, instead of the expected ebook, i have a blank page.

STEPS TO REPRODUCE
1. Open an epub file
2. 
3. 

OBSERVED RESULT
Nothing but a single blank page.

EXPECTED RESULT
The ebook is opened.

SOFTWARE/OS VERSIONS
Operating System: Kubuntu 25.10
KDE Plasma Version: 6.4.5
KDE Frameworks Version: 6.17.0
Qt Version: 6.9.2
Kernel Version: 6.17.0-12-generic (64-bit)
Graphics Platform: Wayland
Processors: 6 × Intel® Core™ i5-8500 CPU @ 3.00GHz
Memory: 16 Gio of RAM (15.5 Gio usable)
Graphics Processor: NVIDIA GeForce GTX 1050 Ti

ADDITIONAL INFORMATION
Comment 1 Albert Astals Cid 2026-02-08 11:39:27 UTC 
We need the file to fix the problem.
Comment 2 stemy 2026-02-08 13:21:55 UTC 
Link to the an example file with which i have the problem mentioned above (i tried to upload it here, but it takes forever): https://lufi.s2s.video/r/emsYam30EB#9HL1kg0OtOXG5mUHI7MXB3ke73ip+Y9gdvdNro/f2/s=