Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Fixed packages 1

Vulnerabilities 1

• Medium 4.4
  CVE-2026-18508

  Tar: tar: --one-top-level hardlink targets not confined to top-level directory enabling arbitrary file overwrite

  A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archive can create hardlin…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux Wolfi
  Aug 3, 2026

References

• article
  https://images.redhat.com/
• report
  https://access.redhat.com/security/cve/CVE-2026-18508
• article
  https://access.redhat.com/security/updates/classification/
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_50807.json
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2509843
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-18508
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-18508