This update for quagga fixes the following issues:
- CVE-2017-16227: Fixed bgpd DoS via specially crafted BGP UPDATE messages
(boo#1065641)
- CVE-2018-5378: Fixed bgpd bounds check issue via attribute length
(Quagga-2018-0543,boo#1079798)
- CVE-2018-5379: Fixed bgpd double free when processing UPDATE message
(Quagga-2018-1114,boo#1079799)
- CVE-2018-5380: Fixed bgpd code-to-string conversion tables overrun
(Quagga-2018-1550,boo#1079800)
- CVE-2018-5381: Fixed bgpd infinite loop on certain invalid OPEN messages
(Quagga-2018-1975,boo#1079801)