Red Hat Security Advisory

RHSA-2026:40724

Red Hat Hardened Images RPMs bug fix and enhancement update

Released 2026-07-16 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Red Hat Hardened Images coreutils-9.11-5.hum1@aarch64, coreutils-9.11-5.hum1@src, coreutils-9.11-5.hum1@x86_64 +4

Fixes 1 record

TI-2026-40752 CVE-2026-56392 · GHSA-g24f-m2hx-pfgx

Heap-based Buffer Overflow in GNU coreutils

LOW 9

GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop (-t) values.

CVSS 4.0LOW 1.8 Local No auth User interaction EPSS 0.00186 Published 2026-07-24 Partial fix CWE-122