On Tuesday, November 1, OpenSSL will release version 3.0.7 which will fix a CRITICAL security vulnerability: Forthcoming OpenSSL Releases
If you run OpenSSL 3.0 (the latest available version), you will need to patch immediatly.
OpenSSL LTS version 1.1.1 is not susceptible to this bug: Forthcoming OpenSSL Bug Fix Release (despite a bugfix release 1.1.1s will be made in parallel).