https://bugs.kde.org/show_bug.cgi?id=521338
Bug ID: 521338
Summary: crashes on filling forms in a certain PDF file (German
federal parenting time form)
Classification: Applications
Product: okular
Version First 26.04.0
Reported In:
Platform: Debian testing
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: PDF backend
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 193069
--> https://bugs.kde.org/attachment.cgi?id=193069&action=edit
Okular crashes when filling forms in this PDF
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DESCRIPTION
Okular crashes when filling the forms in this PDF.
attached:
https://fhh1.hamburg.de/Dibis/form/pdf/2025_Mantelbogen_Elterngeldantrag.pdf
(it's the German federal form for requesting financial support when parenting
your new born baby)
STEPS TO REPRODUCE
Use one of these:
https://cdimage.debian.org/debian-cd/current-live/amd64/iso-hybrid/debian-live-13.5.0-amd64-kde.iso
https://cdimage.debian.org/cdimage/weekly-live-builds/amd64/iso-hybrid/debian-live-testing-amd64-kde.iso
(2026-06-08)
1. open PDF file
2. click "Show Forms" on the upper right
3. click the checkbox at the left bottom of page 10: "war ich für dieses Kind
im Mutterschutz oder ..."
4. press ctrl-s
5. click the checkbox again (remove mark)
6. press ctrl-s
Okular also crashes when making changes to other parts of the PDF forms. But
this seems to reproduce best.
OBSERVED RESULT
Okular crashes
EXPECTED RESULT
Okular does not crash
SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux forky/sid (Debian-14 testing, 2026-06-08
live image)
KDE Plasma Version: 6.6.5
KDE Frameworks Version: 6.23.0
Qt Version: 6.10.2
also crashes with:
Operating System: Debian GNU/Linux 13 (13.5)
KDE Plasma Version: 6.3.6
KDE Frameworks Version: 6.13.0
Qt Version: 6.8.2
ADDITIONAL INFORMATION
GNOME-Evince seems to have problems too. On Debian-13 Evince crashes too, while
on Debian-14 testing (2026-06-08 live image) Evince stops displaying changes to
the forms after step 6.
Maybe it's a bug in Poppler!?
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