Microsoft released an updated and fixed version of Service Pack 1 (SP1) for SharePoint 2013 on April 22, which the company withdrew earlier this month after reported problems with the update.

A list of all the new associated Knowledge Base articles on the updated SP1s for SharePoint Foundation 2013, SharePoint Server 2013, Project Server 2013, and Office Web Apps Server 2013 are available from this TechNet blog post.

The post notes that these KB articles are different from those associated with the recalled SP1. Customers who previously deployed SharePoint 2013 SP1 are advised to download the updated SP1 and install it over the existing SP1. Customers who didn't deploy the original SP1 bits should just use the uploaded bits.

There is no update to the slipstreamed ISO from MSDN, MPN and the Volume Licensing Service Center "as it was not affected by the issue," according to Microsoft officials.
Read more at: Microsoft reissues SharePoint 2013 Service Pack 1 | ZDNet