1. Ubuntu Security Notices
  2. USN-6854-1

USN-6854-1: OpenSSL vulnerability

Publication date

27 June 2024

Overview

OpenSSL could be made to consume resources and cause long delays if it processed certain input.

Releases

Packages

  • openssl - Secure Socket Layer (SSL) cryptographic library and tools

Details

It was discovered that OpenSSL failed to choose an appropriately short
private key size when computing shared-secrets in the Diffie-Hellman Key
Agreement Protocol. A remote attacker could possibly use this issue to cause
OpenSSL to consume resources, resulting in a denial of service.

It was discovered that OpenSSL failed to choose an appropriately short
private key size when computing shared-secrets in the Diffie-Hellman Key
Agreement Protocol. A remote attacker could possibly use this issue to cause
OpenSSL to consume resources, resulting in a denial of service.

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
22.04 jammy libssl3 –  3.0.2-0ubuntu1.16
openssl –  3.0.2-0ubuntu1.16

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References

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