{"id":"ALSA-2026:1838","summary":"Moderate: image-builder security update","details":"A local binary for building customized OS artifacts such as VM images and OSTree commits. Uses osbuild under the hood.  \n\nSecurity Fix(es):  \n\n  * golang: archive/tar: Unbounded allocation when parsing GNU sparse map (CVE-2025-58183)\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":"2026-05-06T07:30:30.585521Z","published":"2026-02-03T00:00:00Z","related":["CVE-2025-58183"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:1838"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-58183"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2407258"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2026-1838.html"}],"affected":[{"package":{"name":"image-builder","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/image-builder"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"31-3.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:1838.json"}}],"schema_version":"1.7.5"}