{"id":"RLSA-2026:4648","summary":"Moderate: grub2 security update","details":"The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices.\n\nSecurity Fix(es):\n\n* grub2: Missing unregister call for gettext command may lead to use-after-free (CVE-2025-61662)\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.","modified":"2026-05-21T17:00:06.716715655Z","published":"2026-05-21T16:24:39.636092Z","upstream":["CVE-2025-61662"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:4648"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414683"}],"affected":[{"package":{"name":"grub2","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/grub2?distro=rocky-linux-8&epoch=1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-170.el8_10.1.rocky.0.1"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:4648.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}