CVE-2026-28389: NULL Pointer Dereference

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denial of...

CVE-2026-28390: NULL Pointer Dereference

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denia...

Amazon Linux 2 : openssl11 (ALAS-2020-1456)

The version of openssl11 installed on the remote host is prior to 1.1.1c-15. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1456 advisory. In situations where an attacker receives automated notification of the success or failure of a decryption attempt an...

CVE-2019-1563: Observable Discrepancy

In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted...