USN-6663-3: OpenSSL update

Published May 23, 2024
·
Updated

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.

Affected Software

6 affected componentsFixes available
All of the following
ubuntu/libssl-doc<3.0.13-0ubuntu3.1
3.0.13-0ubuntu3.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libssl3t64<3.0.13-0ubuntu3.1
3.0.13-0ubuntu3.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/openssl<3.0.13-0ubuntu3.1
3.0.13-0ubuntu3.1
Ubuntu Ubuntu=24.04

Event History

May 23, 2024
Advisory Published
via Ubuntu·12:00 AM

Frequently Asked Questions

1

What is the severity of USN-6663-3?

The severity of USN-6663-3 is classified as a moderate security issue.

2

How do I fix USN-6663-3?

To fix USN-6663-3, update the affected packages to version 3.0.13-0ubuntu3.1 through your package manager.

3

What packages are affected by USN-6663-3?

USN-6663-3 affects the libssl-doc, libssl3t64, and openssl packages in Ubuntu 24.04.

4

What does USN-6663-3 address in OpenSSL?

USN-6663-3 addresses improvements in OpenSSL related to returning deterministic random bytes for padding errors.

5

Is USN-6663-3 applicable to all versions of Ubuntu?

USN-6663-3 is specifically applicable to Ubuntu 24.04 LTS.

Contact

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