{"schema_version":"1.3.1","id":"GO-2026-4399","modified":"2026-02-25T20:15:11Z","published":"2026-02-19T17:28:55Z","aliases":["CVE-2026-25518","GHSA-gx3x-vq4p-mhhv"],"summary":"DoS in cert-manager-controller via Specially Crafted DNS Response in github.com/cert-manager/cert-manager","details":"DoS in cert-manager-controller via Specially Crafted DNS Response in github.com/cert-manager/cert-manager","affected":[{"package":{"name":"github.com/cert-manager/cert-manager","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.18.0"},{"fixed":"1.18.5"},{"introduced":"1.19.0"},{"fixed":"1.19.3"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/cert-manager/cert-manager/security/advisories/GHSA-gx3x-vq4p-mhhv"},{"type":"FIX","url":"https://github.com/cert-manager/cert-manager/commit/409fc24e539711a07aae45ed45abbe03dfdad2cc"},{"type":"FIX","url":"https://github.com/cert-manager/cert-manager/commit/9a73a0b3853035827edd37ac463e4803ba10327d"},{"type":"FIX","url":"https://github.com/cert-manager/cert-manager/commit/d4faed26ae12115cceb807cdc12507ebc28980e2"},{"type":"FIX","url":"https://github.com/cert-manager/cert-manager/pull/8467"},{"type":"FIX","url":"https://github.com/cert-manager/cert-manager/pull/8468"},{"type":"FIX","url":"https://github.com/cert-manager/cert-manager/pull/8469"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-4399","review_status":"REVIEWED"}}