Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Fixed packages 6

Vulnerabilities 2

• Low 2.9
  CVE-2026-16517

  Libarchive: libarchive: signed integer overflow in archive_write_zip_header

  A signed integer overflow vulnerability was found in libarchive's ZIP writer. In the archive_write_zip_header function in archive_write_set_format_zip.c, when ZIP encryption is enabled and the entry file size is close to INT64_MAX, the addition of the encrypt…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux
  Jul 21, 2026
• Low 2.5
  CVE-2025-64031

  libarchive 3.8.x before 3.8.2 has a strcpy heap-based buffer overflow in the gzip writer via the original-filename fiel…

  libarchive libarchive
  Sep 14, 2026

References

• report
  https://access.redhat.com/security/cve/CVE-2026-16517
• article
  https://access.redhat.com/security/updates/classification/
• article
  https://images.redhat.com/
• report
  https://access.redhat.com/security/cve/CVE-2025-64031
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_43818.json
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2532805
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-64031
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-64031
• article
  https://gist.github.com/ttuurrnn/1365a4a9b1c3d5826a3a9bbe111f26b8
• article
  https://github.com/libarchive/libarchive/blob/master/libarchive/archive_write_add_filter_gzip.c
• article
  https://github.com/libarchive/libarchive/pull/2734
• article
  https://github.com/libarchive/libarchive/pull/2734/commits
• article
  https://github.com/libarchive/libarchive/pull/2734/files
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2505492
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-16517
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-16517