CLSA-2026-1777946639 quagga: Fix of CVE-2018-5381

CVE-2018-5381: bgpd capability parser can enter an infinite loop on invalid OPEN messages whose Multi-Protocol capability has an unrecognized AFI/SAFI, causing a denial of service...

UBUNTU-CVE-2018-5381

The Quagga BGP daemon bgpd prior to version 1.2.3 has a bug in its parsing of "Capabilities" in BGP OPEN messages, in the bgppacket.c:bgpcapabilitymsgparse function. The parser can enter an infinite loop on invalid capabilities if a Multi-Protocol capability does not have a recognized AFI/SAFI,...