RHSA-2026:69553LowCVSS 3.9

Red Hat Security Advisory: libarchive security update

Published
September 21, 2026
Last Modified
September 21, 2026

🔗 CVE IDs covered (2)

CVE-2026-15028 →CVE-2026-16517 →

📋 Description

CVE-2026-15028 — libarchive: heap overflow OOB read while parsing a tar archive contains a PAX extended header CVE-2026-16517 — libarchive: libarchive: Signed Integer Overflow in archive_write_zip_header

🎯 Affected products63

  • Red Hat Enterprise Linux AppStream (v. 10)
  • Red Hat Enterprise Linux BaseOS (v. 10)
  • bsdcat-debuginfo-0:3.7.7-11.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdcat-debuginfo-0:3.7.7-11.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • bsdcat-debuginfo-0:3.7.7-11.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdcat-debuginfo-0:3.7.7-11.el10_2.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • bsdcat-debuginfo-0:3.7.7-11.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdcat-debuginfo-0:3.7.7-11.el10_2.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • bsdcat-debuginfo-0:3.7.7-11.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdcat-debuginfo-0:3.7.7-11.el10_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • bsdcpio-debuginfo-0:3.7.7-11.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdcpio-debuginfo-0:3.7.7-11.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • bsdcpio-debuginfo-0:3.7.7-11.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdcpio-debuginfo-0:3.7.7-11.el10_2.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • bsdcpio-debuginfo-0:3.7.7-11.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdcpio-debuginfo-0:3.7.7-11.el10_2.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • bsdcpio-debuginfo-0:3.7.7-11.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdcpio-debuginfo-0:3.7.7-11.el10_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • bsdtar-0:3.7.7-11.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdtar-0:3.7.7-11.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdtar-0:3.7.7-11.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdtar-0:3.7.7-11.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdtar-debuginfo-0:3.7.7-11.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdtar-debuginfo-0:3.7.7-11.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • bsdtar-debuginfo-0:3.7.7-11.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdtar-debuginfo-0:3.7.7-11.el10_2.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • bsdtar-debuginfo-0:3.7.7-11.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdtar-debuginfo-0:3.7.7-11.el10_2.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • bsdtar-debuginfo-0:3.7.7-11.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • bsdtar-debuginfo-0:3.7.7-11.el10_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • +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: To mitigate this issue, avoid processing untrusted or unverified tar archives. Users should exercise caution when handling archives from unknown sources or those with unexpected content, as processing a specially crafted archive could trigger the vulnerability.

🔗 References (5)