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IDProjectCategoryView StatusDate SubmittedLast Update
0009904Kali LinuxKali Package Bugpublic2026-10-14 20:042026-10-15 17:22
Reportertominohio Assigned To 
PrioritynormalSeverityminorReproducibilityhave not tried
Status newResolutionopen 
Summary0009904: Cutycapt reports "GLib-GObject-CRITICAL: g_object_unref: assertion G_IS_OBJECT (object) failed when saving images from webpages
Description

Hello!

I had been using cutycapt on Debian Bookworm (via Raspberry OS) successfully for a long time.

On a new Trixie installation (via Raspberry OS) with apt update and apt upgrade ran before installing cutycapt, it no longer reliably saves website pages to images, reporting this error:

Cutycapt reports "GLib-GObject-CRITICAL: g_object_unref: assertion G_IS_OBJECT (object) failed when saving images from webpages

The result is a PNG file that is blank (white).

Here is an example of the command line syntax:

cutycapt --url=https://api.fwicloud.com/library/v1/company/5853d7c1-6be5-403c-adeb-c123bebb2e2a/drives/0f23c1b9-d4ad-4a4e-bbf3-a2f044ca14fc/objects/5da8fb36-c643-4f51-8e19-035256d27b30/download --out=test.png

Some webpages (like https://www.google.com) work fine, but most other websites report the above error.

I am running the latest version of Debian Trixie with the latest apt update and upgrade commands, running on a Raspberry Pi 3. The OS is Raspberry OS.

May you assist with troubleshooting this problem? Please let me know how I can assist further.

Thank you!
Tom Hammond (USA)

Activities

kali-bugreport

kali-bugreport

2026-10-15 04:44

reporter   ~0022082

Last edited: 2026-10-15 04:46

Guessing you need to talk to dev team of the software instead.

Leaving aside that you seems running Debian and this bugtracker is for Kali.
tominohio

tominohio

2026-10-15 12:23

reporter   ~0022083

OK, thanks for letting me know! Looks like this software hasn't been updated for 15+ years, so unlikely the dev team for it would not respond.
h2bsx9vm3ma7j3s

h2bsx9vm3ma7j3s

2026-10-15 14:56

reporter   ~0022084

Hi,

Could you please provide more information regarding this issue?

It would be required:

  • Web addresses where you got the output GLib-GObject-CRITICAL: g_object_unref: assertion G_IS_OBJECT (object) failed

  • Output after running cat /etc/os-release
    qmake --version
    dpkg -l | grep -E 'cutycapt|qtwebkit|libglib'

I believe the most interesting way would be to capture a backtrace if it crashes. The source code you shared is for a Qt application, but the warning comes from GLib/GObject. Try updating browser-rendering stack, but before changing system libraries or rebuilding CutyCapt, I would like to see the exact output from one failing URL, including the command you ran and all the warnings printed before and after g_object_unref. Which Raspberry Pi OS version is installed?
kali-bugreport

kali-bugreport

2026-10-15 15:59

reporter   ~0022085

Last edited: 2026-10-15 15:59

@tominohio @h2bsx9vm3ma7j3s

Prob best to move your conversation to https://github.com/Crystalix007/CutyCapt/issues

Or maybe to https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1135071
h2bsx9vm3ma7j3s

h2bsx9vm3ma7j3s

2026-10-15 16:07

reporter   ~0022086

@kali-bugpreport

Great ID,

Lets see right, since that error could also be due to the uncertified webpage owning an image that shouldn't
kali-bugreport

kali-bugreport

2026-10-15 17:22

reporter   ~0022087

Overall nothing for Kali Bugtracker just shipping software from some one else IMHO.

Issue History

Date Modified Username Field Change
2026-10-14 20:04 tominohio New Issue
2026-10-15 04:44 kali-bugreport Note Added: 0022082
2026-10-15 04:46 kali-bugreport Note Edited: 0022082
2026-10-15 12:23 tominohio Note Added: 0022083
2026-10-15 14:56 h2bsx9vm3ma7j3s Note Added: 0022084
2026-10-15 15:59 kali-bugreport Note Added: 0022085
2026-10-15 15:59 kali-bugreport Note Edited: 0022085
2026-10-15 16:07 h2bsx9vm3ma7j3s Note Added: 0022086
2026-10-15 17:22 kali-bugreport Note Added: 0022087