{"id":"ALPINE-CVE-2023-28450","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":"2025-12-03T22:52:23.165233Z","published":"2023-03-15T21:15:09.333Z","upstream":["CVE-2023-28450"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2023-28450"}],"affected":[{"package":{"name":"dnsmasq","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/dnsmasq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.86-r3"}]}],"versions":["2.46-r0","2.47-r0","2.49-r0","2.50-r0","2.50-r1","2.51-r0","2.52-r0","2.52-r1","2.55-r0","2.57-r0","2.58-r0","2.59-r0","2.59-r1","2.60-r0","2.61-r0","2.62-r0","2.63-r0","2.64-r0","2.65-r0","2.66-r0","2.66-r1","2.66-r2","2.67-r0","2.68-r0","2.69-r0","2.70-r0","2.71-r0","2.72-r0","2.72-r1","2.73-r0","2.75-r0","2.75-r1","2.75-r2","2.76-r0","2.76-r1","2.76-r2","2.76-r3","2.76-r4","2.77-r0","2.78-r0","2.78-r1","2.78-r2","2.79-r0","2.79-r1","2.79-r2","2.80-r0","2.80-r1","2.80-r2","2.80-r3","2.80-r4","2.80-r5","2.81-r0","2.81-r1","2.82-r0","2.83-r0","2.84-r0","2.85-r0","2.85-r1","2.85-r2","2.85-r3"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-28450.json"}},{"package":{"name":"dnsmasq","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/dnsmasq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.86-r2"}]}],"versions":["2.86-r0","2.86-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-28450.json"}},{"package":{"name":"dnsmasq","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/dnsmasq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.86-r4"}]}],"versions":["2.86-r0","2.86-r1","2.86-r2","2.86-r3"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-28450.json"}},{"package":{"name":"dnsmasq","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/dnsmasq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.87-r2"}]}],"versions":["2.86-r0","2.86-r1","2.86-r2","2.86-r3","2.86-r4","2.86-r5","2.87-r0","2.87-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-28450.json"}},{"package":{"name":"dnsmasq","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/dnsmasq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.89-r3"}]}],"versions":["2.86-r0","2.86-r1","2.86-r2","2.86-r3","2.86-r4","2.86-r5","2.87-r0","2.88-r0","2.88-r1","2.89-r0","2.89-r1","2.89-r2"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-28450.json"}},{"package":{"name":"dnsmasq","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/dnsmasq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.89-r3"}]}],"versions":["2.86-r0","2.86-r1","2.86-r2","2.86-r3","2.86-r4","2.86-r5","2.87-r0","2.88-r0","2.88-r1","2.89-r0","2.89-r1","2.89-r2"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-28450.json"}},{"package":{"name":"dnsmasq","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/dnsmasq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.89-r3"}]}],"versions":["2.86-r0","2.86-r1","2.86-r2","2.86-r3","2.86-r4","2.86-r5","2.87-r0","2.88-r0","2.88-r1","2.89-r0","2.89-r1","2.89-r2"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-28450.json"}},{"package":{"name":"dnsmasq","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/dnsmasq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.89-r3"}]}],"versions":["2.86-r0","2.86-r1","2.86-r2","2.86-r3","2.86-r4","2.86-r5","2.87-r0","2.88-r0","2.88-r1","2.89-r0","2.89-r1","2.89-r2"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-28450.json"}},{"package":{"name":"dnsmasq","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/dnsmasq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.89-r3"}]}],"versions":["2.86-r0","2.86-r1","2.86-r2","2.86-r3","2.86-r4","2.86-r5","2.87-r0","2.88-r0","2.88-r1","2.89-r0","2.89-r1","2.89-r2"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-28450.json"}},{"package":{"name":"dnsmasq","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/dnsmasq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.89-r3"}]}],"versions":["2.86-r0","2.86-r1","2.86-r2","2.86-r3","2.86-r4","2.86-r5","2.87-r0","2.88-r0","2.88-r1","2.89-r0","2.89-r1","2.89-r2"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.google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