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Red Hat Security Advisory

RHSA-2026:37396

compat-glibc security update

Released 2026-07-09 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Fixes 1 record

TI-2026-04772 CVE-2026-5450 · GHSA-v898-xg3c-w4rj

scanf %mc off-by-one heap buffer overflow

Priority HIGH 82

Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one by…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00502 Published 2026-04-20 Partial fix CWE-122