{"id":"ALSA-2026:66403","summary":"Moderate: coreutils security update","details":"The coreutils packages contain the GNU Core Utilities and represent a combination of the previously used GNU fileutils, sh-utils, and textutils packages.  \n\nSecurity Fix(es):  \n\n  * coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values (CVE-2026-56392)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","modified":"2026-09-11T17:15:04.395480835Z","published":"2026-09-10T00:00:00Z","related":["CVE-2026-56392"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:66403"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-56392"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2506694"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-66403.html"}],"affected":[{"package":{"name":"coreutils","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/coreutils"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.32-41.el9_8.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:66403.json"}},{"package":{"name":"coreutils-common","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/coreutils-common"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.32-41.el9_8.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:66403.json"}},{"package":{"name":"coreutils-single","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/coreutils-single"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.32-41.el9_8.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:66403.json"}}],"schema_version":"1.9.0"}