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Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process. A flaw was found in gdk-pixbuf, affecting all versions. When parsing a specially crafted ICO file with pixel values that exceed the defined palette range, an out-of-bounds read can occur due to improper bounds checking against the actual palette size. This issue causes heap bytes to be interpreted as valid palette indices and rendered as RGB pixel values in the output image, allowing an attacker to extract heap contents via the generated output, such as a thumbnail.
This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle. Changing version to 45.
FEDORA-2026-3f141998cc (gdk-pixbuf2-2.44.8-2.fc45) has been submitted as an update to Fedora 45. https://bodhi.fedoraproject.org/updates/FEDORA-2026-3f141998cc
FEDORA-2026-461d7d7380 (gdk-pixbuf2-2.44.6^really2.44.4-2.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-461d7d7380
FEDORA-2026-9c900371cb (gdk-pixbuf2-2.44.6^really2.44.4-2.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-9c900371cb
FEDORA-2026-9c900371cb has been pushed to the Fedora 43 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-9c900371cb` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-9c900371cb See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-461d7d7380 has been pushed to the Fedora 44 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-461d7d7380` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-461d7d7380 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-3f141998cc has been pushed to the Fedora 45 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-3f141998cc` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-3f141998cc See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-461d7d7380 (gdk-pixbuf2-2.44.6^really2.44.4-2.fc44) has been pushed to the Fedora 44 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-f55d6fc9f8 has been pushed to the Fedora 45 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-f55d6fc9f8` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f55d6fc9f8 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-cf5d926f46 has been pushed to the Fedora 43 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-cf5d926f46` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-cf5d926f46 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.