{"id":"AZL-25660","summary":"CVE-2023-28450 affecting package dnsmasq for versions less than 2.89-2","details":"An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Flag Day 2020.","modified":"2026-04-01T05:07:58.794652Z","published":"2023-03-15T21:15:09Z","upstream":["CVE-2023-28450"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28450"}],"affected":[{"package":{"name":"dnsmasq","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/dnsmasq"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.89-2"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-25660.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}