RHSA-2026:56954MediumCVSS 7.5

Red Hat Security Advisory: libarchive security update

Published
August 19, 2026
Last Modified
August 24, 2026

🔗 CVE IDs covered (1)

CVE-2026-14164 →

📋 Description

CVE-2026-14164 — libarchive: Double-Free Vulnerability in RAR5 Decompression Logic via dangling filtered_buf pointer in init_unpack()

🎯 Affected products63

  • Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • bsdcat-debuginfo-0:3.7.7-5.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdcat-debuginfo-0:3.7.7-5.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • bsdcat-debuginfo-0:3.7.7-5.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdcat-debuginfo-0:3.7.7-5.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • bsdcat-debuginfo-0:3.7.7-5.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdcat-debuginfo-0:3.7.7-5.el10_0.1.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • bsdcat-debuginfo-0:3.7.7-5.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdcat-debuginfo-0:3.7.7-5.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • bsdcpio-debuginfo-0:3.7.7-5.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdcpio-debuginfo-0:3.7.7-5.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • bsdcpio-debuginfo-0:3.7.7-5.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdcpio-debuginfo-0:3.7.7-5.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • bsdcpio-debuginfo-0:3.7.7-5.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdcpio-debuginfo-0:3.7.7-5.el10_0.1.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • bsdcpio-debuginfo-0:3.7.7-5.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdcpio-debuginfo-0:3.7.7-5.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • bsdtar-0:3.7.7-5.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdtar-0:3.7.7-5.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdtar-0:3.7.7-5.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdtar-0:3.7.7-5.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdtar-debuginfo-0:3.7.7-5.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdtar-debuginfo-0:3.7.7-5.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • bsdtar-debuginfo-0:3.7.7-5.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdtar-debuginfo-0:3.7.7-5.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • bsdtar-debuginfo-0:3.7.7-5.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdtar-debuginfo-0:3.7.7-5.el10_0.1.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • bsdtar-debuginfo-0:3.7.7-5.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • bsdtar-debuginfo-0:3.7.7-5.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • +33 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: No mitigation is currently available that meets Red Hat Product Security's standards for usability, deployment, applicability, or stability. Customers are advised to apply the appropriate security update once it becomes available.

🔗 References (4)