RHSA-2026:49525HighCVSS 7.5

Red Hat Security Advisory: perl-Archive-Tar security update

Published
August 3, 2026
Last Modified
November 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-9538 →

📋 Description

CVE-2026-9538 — perl-Archive-Tar: perl-Archive-Tar: Denial of Service via crafted tar header with large entry size

🎯 Affected products3

  • Red Hat Enterprise Linux AppStream (v. 9)
  • perl-Archive-Tar-0:2.38-6.el9_8.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • perl-Archive-Tar-0:2.38-6.el9_8.2.src as a component of Red Hat Enterprise Linux AppStream (v. 9)

✅ 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 tar archives with applications using Perl's Archive::Tar module. If untrusted tar processing is required, consider imposing resource limits (e.g., ulimit) on the processes handling tar files to contain memory exhaustion and prevent wider system impact.

🔗 References (4)