{"schema_version": "1.7.0", "id": "RLSA-2026:33226", "modified": "2026-07-01T12:06:48.833140Z", "published": "2026-07-01T12:03:26.775911Z", "upstream": ["CVE-2026-5450"], "summary": "Moderate: glibc security, bug fix, and enhancement update", "details": "The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly.\n\nSecurity Fix(es):\n\n* glibc: glibc: Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width (CVE-2026-5450)\n\nBug Fix(es) and Enhancement(s):\n\n* glibc: counter overflow in __wcsmbs_clone_conv if setlocale is called (JIRA:Rocky Linux-145156)\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:H/PR:L/UI:R/S:U/C:N/I:L/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "glibc", "purl": "pkg:rpm/rocky-linux/glibc?distro=rocky-linux-9&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.34-272.el9_8"}], "database_specific": {"yum_repository": "BaseOS"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:33226"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2459853"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}