{"id":"ALPINE-CVE-2026-27854","details":"An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuestion:getEDNSOptions method in custom Lua code. In some cases DNSQuestion:getEDNSOptions might refer to a version of the DNS packet that has been modified, thus triggering a use-after-free and potentially a crash resulting in denial of service.","modified":"2026-11-03T06:33:02.003727244Z","published":"2026-03-31T12:16:28.053Z","upstream":["CVE-2026-27854"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2026-27854"}],"affected":[{"package":{"name":"dnsdist","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/dnsdist?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.9.0"},{"fixed":"2.0.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-27854.json"}},{"package":{"name":"dnsdist","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/dnsdist?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.9.0"},{"fixed":"2.0.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-27854.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}