RHSA-2025:8411MediumCVSS 5.9

Red Hat Security Advisory: krb5 security update

Published
June 3, 2025
Last Modified
September 1, 2026

🔗 CVE IDs covered (1)

CVE-2025-3576 →

📋 Description

CVE-2025-3576 — krb5: Kerberos RC4-HMAC-MD5 Checksum Vulnerability Enabling Message Spoofing via MD5 Collisions

🎯 Affected products81

  • Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-0:1.18.2-32.el8_10.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-debuginfo-0:1.18.2-32.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-debuginfo-0:1.18.2-32.el8_10.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-debuginfo-0:1.18.2-32.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-debuginfo-0:1.18.2-32.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-debuginfo-0:1.18.2-32.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-debugsource-0:1.18.2-32.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-debugsource-0:1.18.2-32.el8_10.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-debugsource-0:1.18.2-32.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-debugsource-0:1.18.2-32.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-debugsource-0:1.18.2-32.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-devel-0:1.18.2-32.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-devel-0:1.18.2-32.el8_10.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-devel-0:1.18.2-32.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-devel-0:1.18.2-32.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-devel-0:1.18.2-32.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-devel-debuginfo-0:1.18.2-32.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-devel-debuginfo-0:1.18.2-32.el8_10.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-devel-debuginfo-0:1.18.2-32.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-devel-debuginfo-0:1.18.2-32.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-devel-debuginfo-0:1.18.2-32.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-libs-0:1.18.2-32.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-libs-0:1.18.2-32.el8_10.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-libs-0:1.18.2-32.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-libs-0:1.18.2-32.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-libs-0:1.18.2-32.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-libs-debuginfo-0:1.18.2-32.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-libs-debuginfo-0:1.18.2-32.el8_10.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • krb5-libs-debuginfo-0:1.18.2-32.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • +51 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 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 (5)