{"id":"ALPINE-CVE-2017-16227","details":"The aspath_put function in bgpd/bgp_aspath.c in Quagga before 1.2.2 allows remote attackers to cause a denial of service (session drop) via BGP UPDATE messages, because AS_PATH size calculation for long paths counts certain bytes twice and consequently constructs an invalid message.","modified":"2026-06-15T18:24:26.194619817Z","published":"2017-10-29T20:29:00.207Z","upstream":["CVE-2017-16227"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2017-16227"}],"affected":[{"package":{"name":"quagga","ecosystem":"Alpine:v3.3","purl":"pkg:apk/alpine/quagga?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.24.1-r6"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-16227.json"}},{"package":{"name":"quagga","ecosystem":"Alpine:v3.4","purl":"pkg:apk/alpine/quagga?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.20161017-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-16227.json"}},{"package":{"name":"quagga","ecosystem":"Alpine:v3.5","purl":"pkg:apk/alpine/quagga?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-16227.json"}},{"package":{"name":"quagga","ecosystem":"Alpine:v3.6","purl":"pkg:apk/alpine/quagga?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-16227.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}