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

Fixed packages 2

Vulnerabilities 2

• Medium 6.7
  CVE-2026-41989

  Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext…

  gnupg Libgcrypt libgcrypt20 libgcrypt20 Debian Ubuntu Azure Linux
  Apr 23, 2026
• Medium 4.0
  CVE-2026-41990

  Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a static array lack a bounds check but do not use attac…

  gnupg Libgcrypt libgcrypt20 libgcrypt20 Debian Ubuntu
  Apr 23, 2026

References

• article
  https://images.redhat.com/
• report
  https://access.redhat.com/security/cve/CVE-2026-41989
• article
  https://access.redhat.com/security/updates/classification/
• report
  https://access.redhat.com/security/cve/CVE-2026-41990
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_8466.json
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2461063
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-41989
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-41989
• article
  https://dev.gnupg.org/T8211
• article
  https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html
• article
  https://www.openwall.com/lists/oss-security/2026/04/21/1
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2461068
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-41990
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-41990
• article
  https://dev.gnupg.org/T8208