RHBA-2026:47115MediumCVSS 4.4

Red Hat Bug Fix Advisory: coreutils bug fix and enhancement update

Published
July 29, 2026
Last Modified
July 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-56392 →

📋 Description

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

🎯 Affected products26

  • Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-0:8.30-20.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-0:8.30-20.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-0:8.30-20.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-0:8.30-20.el8_10.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-0:8.30-20.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-common-0:8.30-20.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-common-0:8.30-20.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-common-0:8.30-20.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-common-0:8.30-20.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-debuginfo-0:8.30-20.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-debuginfo-0:8.30-20.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-debuginfo-0:8.30-20.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-debuginfo-0:8.30-20.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-debugsource-0:8.30-20.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-debugsource-0:8.30-20.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-debugsource-0:8.30-20.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-debugsource-0:8.30-20.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-single-0:8.30-20.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-single-0:8.30-20.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-single-0:8.30-20.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-single-0:8.30-20.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-single-debuginfo-0:8.30-20.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-single-debuginfo-0:8.30-20.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-single-debuginfo-0:8.30-20.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • coreutils-single-debuginfo-0:8.30-20.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (2)