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High ELSA-2026-49524 1 CVE

Important: perl-Archive-Tar security update (Oracle Linux 8)

Published Aug 3, 2026 · Updated Aug 3, 2026

Ecosystem: Oracle Linux

Summary

[2.30-3]
- Fix CVE-2026-9538: cap per-entry declared size during tar read to
defend against attacker-controlled size-field memory DoS
- Resolves: RHEL-191913

Fixed packages 1

ReleasePackageFixed in
Oracle Linux · 8 perl-Archive-Tar 0:2.30-3.el8_10

Vulnerabilities 1

  • High 7.5
    CVE-2026-9538

    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…

    BINGOS Archive::Tar perl perl Debian Ubuntu Alpine