Vulnerabilidades de libgcrypt20

CVE-2026-41989

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

• Actualiza a 1.11.0-7ubuntu0.1

Libgcrypt: vulnerable to marvin attack

A timing-based side-channel flaw was found in libgcrypt's RSA implementation. This issue may allow a remote attacker to initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts.