A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS#11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade gnutls-utilsUpgrade gnutls-develUpgrade gnutlsUpgrade gnutls-daneUpgrade gnutls-c++ | May 27, 2026 | May 26, 2026 |
| Alpine Linux | — | Upgrade gnutls | May 28, 2026 | May 26, 2026 |
| Amazon_linux_2023 | — | Upgrade gnutls-dane-debuginfoUpgrade gnutls-debugsourceUpgrade gnutls-develUpgrade gnutlsUpgrade gnutls-c++-debuginfoUpgrade gnutls-utilsUpgrade gnutls-daneUpgrade gnutls-utils-debuginfoUpgrade gnutls-debuginfoUpgrade gnutls-c++ | May 28, 2026 | May 26, 2026 |
| Debian | — | Upgrade gnutls28 | May 20, 2026 | May 20, 2026 |
| Oracle_linux | — | Upgrade gnutls-c++Upgrade gnutlsUpgrade gnutls-utilsUpgrade gnutls-daneUpgrade gnutls-devel | Jun 4, 2026 | May 26, 2026 |
| Redhat Openshift | — | Upgrade ose-rhel-coreos | Aug 10, 2026 | Apr 29, 2026 |
| Redhat_linux | — | Upgrade gnutls-fipsNo solution existsUpgrade gnutls-daneUpgrade gnutls-develUpgrade gnutls-debuginfoUpgrade gnutls-c++-debuginfoUpgrade gnutls-debugsourceUpgrade gnutls-utilsUpgrade gnutlsUpgrade gnutls-c++Upgrade gnutls-dane-debuginfoUpgrade gnutls-utils-debuginfo | May 28, 2026 | Apr 29, 2026 |
| Rocky_linux | — | Upgrade gnutls-debugsourceUpgrade gnutls-utilsUpgrade gnutls-dane-debuginfoUpgrade gnutls-debuginfoUpgrade gnutls-c++Upgrade gnutlsUpgrade gnutls-fipsUpgrade gnutls-daneUpgrade gnutls-develUpgrade gnutls-utils-debuginfoUpgrade gnutls-c++-debuginfo | Jun 1, 2026 | May 29, 2026 |
| Ubuntu | — | Upgrade libgnutls-dane0 (Ubuntu Pro)Upgrade libgnutlsxx28 (Ubuntu Pro)Upgrade libgnutls-openssl27 (Ubuntu Pro)Upgrade gnutls-bin (Ubuntu Pro)Upgrade libgnutls28-dev (Ubuntu Pro)Upgrade libgnutls30t64Upgrade libgnutls30 (Ubuntu Pro)Upgrade libgnutls30Upgrade guile-gnutls (Ubuntu Pro) | May 25, 2026 | May 20, 2026 |
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