{"schema_version": "1.7.0", "id": "RLSA-2026:4648", "modified": "2026-05-21T16:32:14.049775Z", "published": "2026-05-21T16:24:39.636092Z", "upstream": ["CVE-2025-61662"], "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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "grub2", "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"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:4648"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2414683"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}