Fix CVE-2018-5379, CVE-2018-5380, CVE-2018-5381, CVE-2018-5378
Fixed CVE-2018-5379 - Double free vulnerability in bgpd when processing
certain forms of UPDATE message allowing to crash or potentially execute
arbitrary code
Resolves: rhbz#1546008
Fixed CVE-2018-5380 - bgpd can overrun internal BGP code-to-string
conversion tables potentially allowing crash
Resolves: rhbz#1546006
Fixed CVE-2018-5381 - Infinite loop issue triggered by invalid OPEN message
allows denial-of-service
Resolves: rhbz#1546004
Fixed CVE-2018-5378 - bgpd does not properly bounds check the data sent with
a NOTIFY allowing leak of sensitive data or crash
Resolves: rhbz#1546009