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High ALSA-2026:30857 1 CVE

Important: perl-Archive-Tar security update

Published Jun 29, 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: Path traversal via crafted symlinks allows arbitrary file access (CVE-2026-42496)

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_2.1

Vulnerabilities 1

  • Critical 9.1

    Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory

    Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory. _make_special_file() passes the tar header's linkname to symlink() without validating it against absolute paths or .. segments. The …

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-42496
  • report
    https://bugzilla.redhat.com/2481314
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-30857.html