{"id":"GHSA-g3pr-3p32-fp23","summary":"Micrometer HTTP server instrumentations DoS","details":"In Micrometer, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition.\n\nAffected versions:\nmicrometer-core 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18; 1.9.0 through 1.9.17.\nmicrometer-jetty11 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18.\nmicrometer-jetty12 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18.","aliases":["CVE-2026-40984"],"modified":"2026-09-11T15:45:08.795437706Z","published":"2026-06-09T06:31:56Z","database_specific":{"github_reviewed_at":"2026-08-06T19:10:08Z","nvd_published_at":"2026-06-09T05:16:34Z","cwe_ids":["CWE-400","CWE-770"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40984"},{"type":"WEB","url":"https://github.com/micrometer-metrics/micrometer/commit/36da131525228188a36779a28471a76c79213dd4"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:36839"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:37390"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:41951"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:50848"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:50849"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:54435"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:62260"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:66488"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:66545"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-40984"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2486716"},{"type":"PACKAGE","url":"https://github.com/micrometer-metrics/micrometer"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40984.json"},{"type":"WEB","url":"https://spring.io/security/cve-2026-40984"}],"affected":[{"package":{"name":"io.micrometer:micrometer-core","ecosystem":"Maven","purl":"pkg:maven/io.micrometer/micrometer-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.6"}]}],"versions":["1.16.0","1.16.1","1.16.2","1.16.3","1.16.4","1.16.5"],"database_specific":{"last_known_affected_version_range":"\u003c= 1.16.5","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-g3pr-3p32-fp23/GHSA-g3pr-3p32-fp23.json"}},{"package":{"name":"io.micrometer:micrometer-core","ecosystem":"Maven","purl":"pkg:maven/io.micrometer/micrometer-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.15.0"},{"fixed":"1.15.12"}]}],"versions":["1.15.0","1.15.1","1.15.10","1.15.11","1.15.2","1.15.3","1.15.4","1.15.5","1.15.6","1.15.7","1.15.8","1.15.9"],"database_specific":{"last_known_affected_version_range":"\u003c= 1.15.11","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-g3pr-3p32-fp23/GHSA-g3pr-3p32-fp23.json"}},{"package":{"name":"io.micrometer:micrometer-core","ecosystem":"Maven","purl":"pkg:maven/io.micrometer/micrometer-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.14.0"},{"last_affected":"1.14.14"}]}],"versions":["1.14.0","1.14.1","1.14.10","1.14.11","1.14.12","1.14.13","1.14.14","1.14.2","1.14.3","1.14.4","1.14.5","1.14.6","1.14.7","1.14.8","1.14.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-g3pr-3p32-fp23/GHSA-g3pr-3p32-fp23.json"}},{"package":{"name":"io.micrometer:micrometer-core","ecosystem":"Maven","purl":"pkg:maven/io.micrometer/micrometer-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.10.0"},{"last_affected":"1.13.15"}]}],"versions":["1.10.0","1.10.1","1.10.10","1.10.11","1.10.12","1.10.13","1.10.2","1.10.3","1.10.4","1.10.5","1.10.6","1.10.7","1.10.8","1.10.9","1.11.0","1.11.1","1.11.10","1.11.11","1.11.12","1.11.2","1.11.3","1.11.4","1.11.5","1.11.6","1.11.7","1.11.8","1.11.9","1.12.0","1.12.1","1.12.10","1.12.11","1.12.12","1.12.13","1.12.2","1.12.3","1.12.4","1.12.5","1.12.6","1.12.7","1.12.8","1.12.9","1.13.0","1.13.1","1.13.10","1.13.11","1.13.12","1.13.13","1.13.14","1.13.15","1.13.2","1.13.3","1.13.4","1.13.5","1.13.6","1.13.7","1.13.8","1.13.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-g3pr-3p32-fp23/GHSA-g3pr-3p32-fp23.json"}},{"package":{"name":"io.micrometer:micrometer-core","ecosystem":"Maven","purl":"pkg:maven/io.micrometer/micrometer-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.9.17"}]}],"versions":["0.10.0.RELEASE","0.11.0.RELEASE","0.12.0.RELEASE","0.6.3.RELEASE","0.7.0.RELEASE","0.8.0.RELEASE","0.9.0.RELEASE","0.9.1.RELEASE","0.9.2.RELEASE","1.0.0","1.0.0-rc.1","1.0.0-rc.2","1.0.0-rc.3","1.0.0-rc.4","1.0.0-rc.5","1.0.0-rc.6","1.0.0-rc.7","1.0.0-rc.8","1.0.0-rc.9","1.0.1","1.0.10","1.0.11","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9","1.1.0","1.1.1","1.1.10","1.1.11","1.1.12","1.1.13","1.1.14","1.1.15","1.1.16","1.1.17","1.1.18","1.1.19","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.1.7","1.1.8","1.1.9","1.2.0","1.2.1","1.2.2","1.3.0","1.3.1","1.3.10","1.3.11","1.3.12","1.3.14","1.3.15","1.3.16","1.3.17","1.3.18","1.3.19","1.3.2","1.3.20","1.3.3","1.3.4","1.3.5","1.3.6","1.3.7","1.3.8","1.3.9","1.4.0","1.4.1","1.4.2","1.5.0","1.5.1","1.5.10","1.5.11","1.5.12","1.5.13","1.5.14","1.5.15","1.5.16","1.5.17","1.5.2","1.5.3","1.5.4","1.5.5","1.5.6","1.5.7","1.5.8","1.5.9","1.6.0","1.6.1","1.6.10","1.6.11","1.6.12","1.6.13","1.6.2","1.6.3","1.6.4","1.6.5","1.6.6","1.6.7","1.6.8","1.6.9","1.7.0","1.7.1","1.7.10","1.7.11","1.7.12","1.7.2","1.7.3","1.7.4","1.7.5","1.7.6","1.7.7","1.7.8","1.7.9","1.8.0","1.8.1","1.8.10","1.8.11","1.8.12","1.8.13","1.8.2","1.8.3","1.8.4","1.8.5","1.8.6","1.8.7","1.8.8","1.8.9","1.9.0","1.9.1","1.9.10","1.9.11","1.9.12","1.9.13","1.9.14","1.9.15","1.9.16","1.9.17","1.9.2","1.9.3","1.9.4","1.9.5","1.9.6","1.9.7","1.9.8","1.9.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-g3pr-3p32-fp23/GHSA-g3pr-3p32-fp23.json"}},{"package":{"name":"io.micrometer:micrometer-jetty12","ecosystem":"Maven","purl":"pkg:maven/io.micrometer/micrometer-jetty12"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.6"}]}],"versions":["1.16.0","1.16.1","1.16.2","1.16.3","1.16.4","1.16.5"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-g3pr-3p32-fp23/GHSA-g3pr-3p32-fp23.json","last_known_affected_version_range":"\u003c= 1.16.5"}},{"package":{"name":"io.micrometer:micrometer-jetty12","ecosystem":"Maven","purl":"pkg:maven/io.micrometer/micrometer-jetty12"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.15.0"},{"fixed":"1.15.12"}]}],"versions":["1.15.0","1.15.1","1.15.10","1.15.11","1.15.2","1.15.3","1.15.4","1.15.5","1.15.6","1.15.7","1.15.8","1.15.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-g3pr-3p32-fp23/GHSA-g3pr-3p32-fp23.json","last_known_affected_version_range":"\u003c= 1.15.11"}},{"package":{"name":"io.micrometer:micrometer-jetty12","ecosystem":"Maven","purl":"pkg:maven/io.micrometer/micrometer-jetty12"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.14.0"},{"last_affected":"1.14.14"}]}],"versions":["1.14.0","1.14.1","1.14.10","1.14.11","1.14.12","1.14.13","1.14.14","1.14.2","1.14.3","1.14.4","1.14.5","1.14.6","1.14.7","1.14.8","1.14.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-g3pr-3p32-fp23/GHSA-g3pr-3p32-fp23.json"}},{"package":{"name":"io.micrometer:micrometer-jetty12","ecosystem":"Maven","purl":"pkg:maven/io.micrometer/micrometer-jetty12"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.13.15"}]}],"versions":["1.13.0","1.13.1","1.13.10","1.13.11","1.13.12","1.13.13","1.13.14","1.13.15","1.13.2","1.13.3","1.13.4","1.13.5","1.13.6","1.13.7","1.13.8","1.13.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-g3pr-3p32-fp23/GHSA-g3pr-3p32-fp23.json"}},{"package":{"name":"io.micrometer:micrometer-jetty11","ecosystem":"Maven","purl":"pkg:maven/io.micrometer/micrometer-jetty11"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.6"}]}],"versions":["1.16.0","1.16.1","1.16.2","1.16.3","1.16.4","1.16.5"],"database_specific":{"last_known_affected_version_range":"\u003c= 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