Red Hat Security Advisory: libgcrypt security update

Fixed packages 1

Vulnerabilities 1

• 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

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2461063
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_52951.json
• report
  https://access.redhat.com/security/cve/CVE-2026-41989
• 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