Public bug reported:
Summary:
After the recent update to libexiv2-27 (version 0.27.6-1ubuntu0.1), Gwenview
crashes immediately upon opening any image file or even when launching an empty
instance and then selecting a file.
Environment:
- OS: Kubuntu 24.04 (Noble Numbat)
- Gwenview version: 4:23.08.5-0ubuntu5
- libexiv2-27 version (crashing): 0.27.6-1ubuntu0.1
- libkf5kexiv2-15.0.0 version: 23.08.5-0ubuntu3
Steps to reproduce:
1. Open Gwenview.
2. Attempt to open any image (JPG, PNG, etc.).
3. The application crashes instantly.
Actual behavior:
Gwenview crashes with the following error:
double free or corruption (out)
KCrash: crashing... crashRecursionCounter = 2
Technical Details (GDB Backtrace):
The crash occurs in Gwenview::ImageMetaInfoModel::setExiv2Image when handling
std::unique_ptr. This suggests a critical ABI mismatch between the updated
libexiv2-27 security patch and the existing gwenview/libgwenviewlib build.
Relevant GDB frames:
#10 0x00007ffff7e06354 in
Gwenview::ImageMetaInfoModel::setExiv2Image(Exiv2::Image const*) () from
/lib/x86_64-linux-gnu/libgwenviewlib.so.5
#11 0x00007ffff7dcb988 in Gwenview::Document::setExiv2Image(std::unique_ptr) ()
from /lib/x86_64-linux-gnu/libgwenviewlib.so.5
Workaround:
Downgrading libexiv2-27 and exiv2 to version 0.27.6-1build1 completely resolves
the issue:
sudo apt install libexiv2-27=0.27.6-1build1 exiv2=0.27.6-1build1
** Affects: gwenview (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2144785
Title:
Gwenview crashes with "double free or corruption (out)" after
libexiv2-27 update (0.27.6-1ubuntu0.1)
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