May 23, 2024, 9:27 a.m. |

Ubuntu security notices ubuntu.com

USN-6663-1 provided a security update for OpenSSL.
This update provides the corresponding update for
Ubuntu 24.04 LTS.

Original advisory details:

As a security improvement, OpenSSL will now
return deterministic random bytes instead of an error
when detecting wrong padding in PKCS#1 v1.5 RSA
to prevent its use in possible Bleichenbacher timing attacks.

advisory attacks error improvement lts openssl padding pkcs prevent random return rsa security security update ubuntu ubuntu 24.04 update usn wrong

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