|  | = Release notes for Gerrit 2.5.3 | 
|  |  | 
|  | Gerrit 2.5.3 is now available: | 
|  |  | 
|  | link:https://www.gerritcodereview.com/download/gerrit-2.5.3.war[https://www.gerritcodereview.com/download/gerrit-2.5.3.war] | 
|  |  | 
|  | There are no schema changes from any of the 2.5.x versions. | 
|  |  | 
|  | However, if upgrading from a version older than 2.5, follow the upgrade | 
|  | procedure in the 2.5 link:ReleaseNotes-2.5.html[Release Notes]. | 
|  |  | 
|  | == Security Fixes | 
|  | * Patch vulnerabilities in OpenID client library | 
|  | + | 
|  | Installations using OpenID for authentication were vulnerable to a | 
|  | number of attacks over the network.  The openid4java client library | 
|  | was identified as the entry point.  In this release Gerrit updated to | 
|  | the latest 0.9.8 release, which patches the known attack vectors. | 
|  |  | 
|  | No other changes since 2.5.2. |