{"id":"CLSA-2026-1788268556","summary":"coreutils: Fix of CVE-2026-56392","details":"- CVE-2026-56392: fix heap buffer overflow in unexpand caused by an integer\n  overflow when allocating the pending-blank buffer for large -t values\n  (backport of upstream b60a159f and follow-up 4ade9cf7)","modified":"2026-10-26T09:30:36.660482412Z","published":"2026-09-01T13:16:07Z","upstream":["CVE-2026-56392"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1788268556.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56392"}],"affected":[{"package":{"name":"coreutils","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/coreutils?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.32-34.el9.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1788268556.json"}},{"package":{"name":"coreutils-common","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/coreutils-common?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.32-34.el9.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1788268556.json"}},{"package":{"name":"coreutils-single","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/coreutils-single?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.32-34.el9.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1788268556.json"}}],"schema_version":"1.9.0"}