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High ALSA-2026:49523 1 CVE

Important: perl-Archive-Tar security update

Published Aug 3, 2026 · Updated Oct 29, 2026

Summary

Archive::Tar provides an object oriented mechanism for handling tar files. It provides class methods for quick and easy files handling while also allowing for the creation of tar file objects for custom manipulation. If you have the IO::Zlib module installed, Archive::Tar will also support compressed or gzipped tar files.

Security Fix(es):

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

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 1

ReleasePackageFixed in
AlmaLinux · 10 perl-Archive-Tar 3.02-512.el10_2.2

Vulnerabilities 1

  • High 7.5

    Archive::Tar versions before 3.10 for Perl allow memory exhaustion via attacker controlled entry size field in tar header

    Archive::Tar versions before 3.10 for Perl allow memory exhaustion via attacker controlled entry size field in tar header. _read_tar() reads each entry's payload with $handle->read($$data, $block), where $block is derived from the entry's 12-byte size field i…

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-9538
  • report
    https://bugzilla.redhat.com/2481315
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-49523.html