Filtered by vendor Gnu
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Filtered by product Gnutls
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Total
66 CVE
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2020-11501 | 6 Canonical, Debian, Fedoraproject and 3 more | 6 Ubuntu Linux, Debian Linux, Fedora and 3 more | 2024-08-04 | 7.4 High |
| GnuTLS 3.6.x before 3.6.13 uses incorrect cryptography for DTLS. The earliest affected version is 3.6.3 (2018-07-16) because of an error in a 2017-10-06 commit. The DTLS client always uses 32 '\0' bytes instead of a random value, and thus contributes no randomness to a DTLS negotiation. This breaks the security guarantees of the DTLS protocol. | ||||
| CVE-2021-20232 | 3 Fedoraproject, Gnu, Redhat | 3 Fedora, Gnutls, Enterprise Linux | 2024-08-03 | 9.8 Critical |
| A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences. | ||||
| CVE-2021-20231 | 4 Fedoraproject, Gnu, Netapp and 1 more | 5 Fedora, Gnutls, Active Iq Unified Manager and 2 more | 2024-08-03 | 9.8 Critical |
| A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences. | ||||
| CVE-2021-4209 | 3 Gnu, Netapp, Redhat | 6 Gnutls, Active Iq Unified Manager, Hci Bootstrap Os and 3 more | 2024-08-03 | 6.5 Medium |
| A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances. | ||||
| CVE-2022-2509 | 4 Debian, Fedoraproject, Gnu and 1 more | 4 Debian Linux, Fedora, Gnutls and 1 more | 2024-08-03 | 7.5 High |
| A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function. | ||||
| CVE-2023-0361 | 5 Debian, Fedoraproject, Gnu and 2 more | 8 Debian Linux, Fedora, Gnutls and 5 more | 2024-08-02 | 7.4 High |
| A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover the key encrypted in the RSA ciphertext across a network in a Bleichenbacher style attack. To achieve a successful decryption the attacker would need to send a large amount of specially crafted messages to the vulnerable server. By recovering the secret from the ClientKeyExchange message, the attacker would be able to decrypt the application data exchanged over that connection. | ||||