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Fedora 44 gthumb Advisory 2026-bef0050737 Important DoS Vulnerabilities

fedora
Calendar Grey April 13, 2026
Dist Fedora Esm H88
Image viewer gthumb in Fedora 44 updated to fix security issues including denial of service vulnerabilities. Upgrade now!
LibRaw 0.22.1 and rebuilds Release 3.1.12.0 (Apr 1, 2026) -- compared to 3.1.11.0 oiiotool: Better type understanding with -i:ch= and other cleanup #5056 texture: Fix texture overb...

Summary

gthumb is an application for viewing, editing, and organizing

collections of images.

Update Information:

LibRaw 0.22.1 and rebuilds Release 3.1.12.0 (Apr 1, 2026) -- compared to 3.1.11.0 oiiotool: Better type understanding with -i:ch= and other cleanup #5056 texture: Fix texture overblur with st-blur parameters #5071 #5080 (by Pascal Lecocq) (3.1.12.0, 3.0.17.0) IBA: Handle offset data windows in fillholes_pushpull #5105 (3.1.12.0, 3.0.17.0) ImageInput: check_open fixes and new validity checks #5087 (3.1.12.0, 3.0.17.0) bmp: Use check_open to guard against corrupt resolutions #5086 (3.1.12.0, 3.0.17.0) heif: Fix invalid read writing 8-bit images with dimensions not a multiple of 64 #5095 (by Brecht Van Lommel) ico: Various validity checks and error handling for corruptions #5088 (3.1.12.0, 3.0.17.0) jpeg: Improved safety and error reporting for jpeg and iptc #5081 jpeg2000: Suppress leak when reading with OpenJPH #5098 psd: Fixes against corrupt files with better validation #5089 (3.1.12.0, 3.0.17.0) rla: Lots of additional validity checking and safety #5094 (3.1.12.0,...

Topics%20covered

Topics Covered

security advisory denial of service fedora important image viewer libraw

Change Log

* Wed Apr 8 2026 Gwyn Ciesla - 1:3.12.10-7 - Libraw rebuild * Wed Mar 25 2026 Jan Grulich - 1:3.12.10-6 - Add configuration for release-monitoring

References


[ 1 ] Bug #2447841 - swayimg-.5.0 is available https://bugzilla.redhat.com/show_bug.cgi?id=2447841 [ 2 ] Bug #2451401 - swayimg-5.1 is available https://bugzilla.redhat.com/show_bug.cgi?id=2451401 [ 3 ] Bug #2454235 - CVE-2026-5318 LibRaw: LibRaw: Denial of Service via out-of-bounds write in JPEG DHT Parser [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2454235 [ 4 ] Bug #2454464 - CVE-2026-5342 LibRaw: LibRaw: Out-of-bounds read via `load_flags/raw_width` argument manipulation [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2454464 [ 5 ] Bug #2455346 - LibRaw-0.22.1 is available https://bugzilla.redhat.com/show_bug.cgi?id=2455346 [ 6 ] Bug #2456557 - CVE-2026-20884 LibRaw: LibRaw: Arbitrary code execution via integer overflow in deflate_dng_load_raw [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2456557

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-bef0050737' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
Low
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Critical

Name: gthumb
Product: Fedora 44
Version: 3.12.10
Release: 7.fc44
URL: https://wiki.gnome.org/Apps/gthumb
Summary: Image viewer, editor, organizer

Topics%20covered

Topics Covered

security advisory denial of service fedora important image viewer libraw

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