RLSA-2026:66403

Security

Mirrored from RHSA-2026:66403

Issued at: 2026-09-11

Updated at: 2026-09-12

Advisory content derived from Red Hat RHSA-2026:66403, © Red Hat, Inc., used under CC BY 4.0, with modifications.

Synopsis

Moderate: coreutils security update

Description

The coreutils packages contain the GNU Core Utilities and represent a combination of the previously used GNU fileutils, sh-utils, and textutils packages.

Security Fix(es):

* coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values (CVE-2026-56392)

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.

Affected products

Rocky Linux 9 aarch64

Rocky Linux 9 ppc64le

Rocky Linux 9 s390x

Rocky Linux 9 x86_64

Fixes

2506694

CVEs

CVE-2026-56392

Affected packages

Rocky Linux 9 aarch64 - BaseOS

coreutils-0:8.32-41.el9_8.1.aarch64.rpm

coreutils-0:8.32-41.el9_8.1.src.rpm

coreutils-common-0:8.32-41.el9_8.1.aarch64.rpm

coreutils-debuginfo-0:8.32-41.el9_8.1.aarch64.rpm

coreutils-debugsource-0:8.32-41.el9_8.1.aarch64.rpm

coreutils-single-0:8.32-41.el9_8.1.aarch64.rpm

coreutils-single-debuginfo-0:8.32-41.el9_8.1.aarch64.rpm

Rocky Linux 9 ppc64le - BaseOS

coreutils-0:8.32-41.el9_8.1.ppc64le.rpm

coreutils-0:8.32-41.el9_8.1.src.rpm

coreutils-common-0:8.32-41.el9_8.1.ppc64le.rpm

coreutils-debuginfo-0:8.32-41.el9_8.1.ppc64le.rpm

coreutils-debugsource-0:8.32-41.el9_8.1.ppc64le.rpm

coreutils-single-0:8.32-41.el9_8.1.ppc64le.rpm

coreutils-single-debuginfo-0:8.32-41.el9_8.1.ppc64le.rpm

Rocky Linux 9 s390x - BaseOS

coreutils-0:8.32-41.el9_8.1.s390x.rpm

coreutils-0:8.32-41.el9_8.1.src.rpm

coreutils-common-0:8.32-41.el9_8.1.s390x.rpm

coreutils-debuginfo-0:8.32-41.el9_8.1.s390x.rpm

coreutils-debugsource-0:8.32-41.el9_8.1.s390x.rpm

coreutils-single-0:8.32-41.el9_8.1.s390x.rpm

coreutils-single-debuginfo-0:8.32-41.el9_8.1.s390x.rpm

Rocky Linux 9 x86_64 - BaseOS

coreutils-0:8.32-41.el9_8.1.src.rpm

coreutils-0:8.32-41.el9_8.1.x86_64.rpm

coreutils-common-0:8.32-41.el9_8.1.x86_64.rpm

coreutils-debuginfo-0:8.32-41.el9_8.1.x86_64.rpm

coreutils-debugsource-0:8.32-41.el9_8.1.x86_64.rpm

coreutils-single-0:8.32-41.el9_8.1.x86_64.rpm

coreutils-single-debuginfo-0:8.32-41.el9_8.1.x86_64.rpm