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

Fixed packages 3

Vulnerabilities 1

• High 7.5
  CVE-2025-13151

  CVE-2025-13151

  Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input data resulting in a buffer overflow in asn1_expend_octet_string.

  gnutls libtasn1 gnutls libtasn1-6 Debian Ubuntu Azure Linux Alpine
  Jan 7, 2026

References

• article
  https://images.redhat.com/
• report
  https://access.redhat.com/security/cve/CVE-2025-13151
• article
  https://access.redhat.com/security/updates/classification/
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7500.json
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2427698
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-13151
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-13151
• article
  https://gitlab.com/gnutls/libtasn1
• article
  https://gitlab.com/gnutls/libtasn1/-/merge_requests/121