RHSA-2026:76777MediumCVSS 5.9

Red Hat Security Advisory: glibc security update

Published
October 7, 2026
Last Modified
October 7, 2026

🔗 CVE IDs covered (2)

CVE-2026-6368 →CVE-2026-6791 →

📋 Description

CVE-2026-6368 — glibc: glibc: Process abort due to invalid memory in wordexp CVE-2026-6791 — glibc: Glibc: Denial of Service via stack exhaustion during tilde expansion

🎯 Affected products200

  • Red Hat Enterprise Linux AppStream (v. 8)
  • Red Hat Enterprise Linux BaseOS (v. 8)
  • Red Hat Enterprise Linux CRB (v. 8)
  • compat-libpthread-nonshared-0:2.28-251.el8_10.43.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • compat-libpthread-nonshared-0:2.28-251.el8_10.43.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • compat-libpthread-nonshared-0:2.28-251.el8_10.43.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • compat-libpthread-nonshared-0:2.28-251.el8_10.43.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • glibc-0:2.28-251.el8_10.43.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-0:2.28-251.el8_10.43.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-0:2.28-251.el8_10.43.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-0:2.28-251.el8_10.43.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-0:2.28-251.el8_10.43.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-0:2.28-251.el8_10.43.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-all-langpacks-0:2.28-251.el8_10.43.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-all-langpacks-0:2.28-251.el8_10.43.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-all-langpacks-0:2.28-251.el8_10.43.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-all-langpacks-0:2.28-251.el8_10.43.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.aarch64 as a component of Red Hat Enterprise Linux CRB (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.i686 as a component of Red Hat Enterprise Linux CRB (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.ppc64le as a component of Red Hat Enterprise Linux CRB (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.s390x as a component of Red Hat Enterprise Linux CRB (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • glibc-all-langpacks-debuginfo-0:2.28-251.el8_10.43.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • +170 more not shown

✅ 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

🔗 References (4)