Public bug reported:
Expected:
Normal PNG and JPG images should open in gwenview and nomacs.
Actual:
After apt upgrade on 2026-03-18, gwenview and nomacs started segfaulting when
opening images. Baloo File Extractor also appeared to crash when touching image
files.
What changed:
apt upgrade changed libexiv2-27 from 0.27.2-8ubuntu2.7 to
0.27.2-8ubuntu2.7+esm1 on 2026-03-18 12:38:52.
Evidence (segfaults):
- gwenview (opening PNG) backtrace hits Exiv2::ExifData::begin()
- gwenview (opening JPG) backtrace hits Exiv2::Image::setMetadata()
- nomacs backtrace also hits Exiv2::Image::setMetadata()
Confirmation:
Downgrading libexiv2-27 back to 0.27.2-8ubuntu2.7 immediately restored normal
PNG and JPG opening in both gwenview and nomacs.
Relevant package history:
- 2026-03-18 12:38:52 apt upgrade upgraded libexiv2-27 from 0.27.2-8ubuntu2.7
to 0.27.2-8ubuntu2.7+esm1
- Reinstalling the same versions did not help
- Downgrading fixed the issue
$ lsb_release -rd
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Reporting the bug using Apport/ubuntu-bug did not work for me.
Not being able to open any images on a system is quite a serious
limitation/consequence.
** Affects: exiv2 (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "GDB trace of gwenview segfault"
https://bugs.launchpad.net/bugs/2144804/+attachment/5953737/+files/gwenview.gdb.txt
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https://bugs.launchpad.net/bugs/2144804
Title:
libexiv2-27 0.27.2-8ubuntu2.7+esm1 causes gwenview and nomacs to
segfault when opening normal images on Ubuntu 20.04; downgrade to
0.27.2-8ubuntu2.7 fixes it
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