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A flaw was found in GnuTLS. The `gnutls_pkcs11_token_set_pin` function, used for changing the Security Officer PIN, can lead to a use-after-free vulnerability. This occurs when an attacker attempts to change the PIN with a NULL old PIN for a token that lacks a protected authentication path.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade gnutls-develUpgrade gnutls-daneUpgrade gnutls-c++Upgrade gnutlsUpgrade gnutls-utils | May 27, 2026 | May 26, 2026 |
| Alpine Linux | — | Upgrade gnutls | Jun 18, 2026 | Jun 16, 2026 |
| Debian | — | Upgrade gnutls28 | May 20, 2026 | May 20, 2026 |
| Redhat_linux | — | Upgrade gnutls-develUpgrade gnutls-daneUpgrade gnutls-fipsUpgrade gnutls-dane-debuginfoUpgrade gnutls-utilsUpgrade gnutls-debuginfoUpgrade gnutls-utils-debuginfoNo solution existsUpgrade gnutls-c++-debuginfoUpgrade gnutls-c++Upgrade gnutls-debugsourceUpgrade gnutls | May 28, 2026 | Apr 29, 2026 |
| Rocky_linux | — | Upgrade gnutls-develUpgrade gnutls-dane-debuginfoUpgrade gnutls-daneUpgrade gnutls-debugsourceUpgrade gnutls-debuginfoUpgrade gnutls-c++-debuginfoUpgrade gnutls-utilsUpgrade gnutls-utils-debuginfoUpgrade gnutls-fipsUpgrade gnutls-c++Upgrade gnutls | Jun 1, 2026 | May 29, 2026 |
| Ubuntu | — | Upgrade libgnutls30Upgrade libgnutls30 (Ubuntu Pro)Upgrade libgnutls30t64 | May 25, 2026 | May 20, 2026 |
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