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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. Pillow is a Python imaging library. From 4.1.0 until 13.0.0, Pillow's MSP RLE decoder can expand a small file into an unbounded in-memory buffer. The decoder writes run-length output to BytesIO without limiting expansion to the declared image size. An attacker can supply a crafted MSP image to an application that loads its pixels. This can exhaust memory and deny service even when the declared pixel count passes the decompression-bomb check. This issue is fixed in version 13.0.0.
FEDORA-2026-f860b6ae81 (python-pillow-12.3.0-4.fc45) has been submitted as an update to Fedora 45. https://bodhi.fedoraproject.org/updates/FEDORA-2026-f860b6ae81
FEDORA-2026-4dcd14a170 (python-pillow-12.3.0-4.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-4dcd14a170
FEDORA-2026-4dcd14a170 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-2026-4dcd14a170` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-4dcd14a170 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-f860b6ae81 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-f860b6ae81` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f860b6ae81 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-4dcd14a170 (python-pillow-12.3.0-4.fc44) has been pushed to the Fedora 44 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-0e083ad36e 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-2026-0e083ad36e` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-0e083ad36e See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-be73b9861d 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-be73b9861d` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-be73b9861d See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-be73b9861d (python-pillow-12.3.0-7.fc45) has been pushed to the Fedora 45 stable repository. If problem still persists, please make note of it in this bug report.