I am an experienced Linux administrator.
Please provide more details about your server (distribution?) so then I could estimate time and effort needed for this task and adjust my bid accordingly but solving this issue is simple and straightforward so your minimal project budget is more than enough for that, please note however that depending on your services and use cases - upgrading affected library / services is just a small part of handling that security issue (you need to decide how to handle existing keys which should be considered as compromised, etc.)
I can authenticate myself so you can be sure that I will do no harm to your server / services nor abuse your data
Also, I am ready to sign NDA if needed. I can be verified for example by VAT EU number.
cheers,
Szymon Łapiński