PYSEC-2026-784 Microsoft: CBC Padding Oracle in Azure Blob Storage Encryption Library

Summary The Azure Storage Encryption library in Java and other languages is vulnerable to a CBC Padding Oracle attack, similar to CVE-2020-8911. The library is not vulnerable to the equivalent of CVE-2020-8912, but only because it currently only supports AES-CBC as encryption mode. Severity...

USN-6663-1 openssl update

As a security improvement, OpenSSL will now return deterministic random bytes instead of an error when detecting wrong padding in PKCS1 v1.5 RSA to prevent its use in possible Bleichenbacher timing attacks...

HP Integrated Lights-Out Information Disclosure Vulnerability (CNVD-2016-07089)

HP Integrated Lights-Out is used for remote management of servers. An information disclosure vulnerability exists in HP Integrated Lights-Out. A remote attacker could exploit this vulnerability to cause information disclosure via TLS CBC Padding and MAC errors...

Vulnerability in OpenSSL CVE-2003-0078

sl3getrecord in s3pkt.c did not perform a MAC computation if an incorrect block cipher padding was used, causing an information leak timing discrepancy that may make it easier to launch cryptographic attacks that rely on distinguishing between padding and MAC verification errors, possibly leading...