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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. Prior to 13.0.0, Pillow's FlashPix JPEG-tile decoder can write decoded scanlines beyond the allocated tile buffer. FlashPix (FPX) JPEG decoding selects raw mode LA with two bytes per pixel, while an unrecognized JPEG mode can be decoded as JCS_UNKNOWN with four components, causing ImagingJpegDecode to write four-component scanlines into the two-byte tile buffer. An attacker can supply a crafted OLE2 FlashPix file to an application with the optional olefile dependency installed that opens or thumbnails untrusted input. This can corrupt heap memory and may allow arbitrary code execution. This issue is fixed in version 13.0.0.
FEDORA-2026-6142c51af3 (python-pillow-12.3.0-6.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-6142c51af3
FEDORA-2026-0e083ad36e (python-pillow-12.3.0-6.fc45) has been submitted as an update to Fedora 45. https://bodhi.fedoraproject.org/updates/FEDORA-2026-0e083ad36e
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-2026-6142c51af3 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-2026-6142c51af3` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-6142c51af3 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-719fffc96a 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-2026-719fffc96a` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-719fffc96a 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.
FEDORA-2026-719fffc96a (python-pillow-12.3.0-7.fc44) has been pushed to the Fedora 44 stable repository. If problem still persists, please make note of it in this bug report.