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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. CFITSIO through 4.7.0 contains an out-of-bounds write vulnerability in ffgcls2() in getcols.c that trusts attacker-controlled heap descriptor lengths for variable-length string columns. Attackers can supply a crafted FITS file that overflows a fixed 28,800-byte stack buffer and the caller's string array, enabling arbitrary code execution.
FEDORA-2026-723469d025 (mingw-cfitsio-4.6.4-3.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-723469d025
FEDORA-2026-5bfcad5462 (mingw-cfitsio-4.6.4-3.fc45) has been submitted as an update to Fedora 45. https://bodhi.fedoraproject.org/updates/FEDORA-2026-5bfcad5462
FEDORA-2026-5bfcad5462 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-2026-5bfcad5462` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-5bfcad5462 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-723469d025 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-2026-723469d025` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-723469d025 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-5bfcad5462 (mingw-cfitsio-4.6.4-3.fc45) has been pushed to the Fedora 45 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-723469d025 (mingw-cfitsio-4.6.4-3.fc44) has been pushed to the Fedora 44 stable repository. If problem still persists, please make note of it in this bug report.