The latest and recommended Bundle Patches for SOA 18.104.22.168 and SOA 12.1.3 are as follows:
Bundle Patch Name
Bundle Patch Number
PS6 Bundle Patch 6 (22.214.171.124.6)
12.1.3 Bundle Patch 1 (126.96.36.199.1)
Please review Document 1962904.1 before applying this Bundle Patch. The patch readme suggests to apply Patch 20333237 before applying the Bundle Patch. The patch number is incorrect and is actually 20163149.
For more information please refer to Note 1485949.1 SOA 11g: Bundle Patch Reference.