Issued at: 2026-07-05
Updated at: 2026-07-08
Synopsis
Moderate: glibc security, bug fix, and enhancement update
Description
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.
Security Fix(es):
* glibc: glibc: Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width (CVE-2026-5450)
Bug Fix(es) and Enhancement(s):
* Backport Zen5 IFUNC changes to prefer AVX512/EVEX?512 string implementations on Rocky Linux 10 [rhel-10] (JIRA:Rocky Linux-174869)
For 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.