{"id":"CVE-2023-34053","aliases":["GHSA-v94h-hvhg-mf9h"],"url":"https://o3.security/vulnerability/CVE-2023-34053","summary":"Spring Framework server Web Observations DoS Vulnerability","details":"In Spring Framework versions 6.0.0 - 6.0.13, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition.\n\nSpecifically, an application is vulnerable when all of the following are true:\n\n  *  the application uses Spring MVC or Spring WebFlux\n  *  io.micrometer:micrometer-core is on the classpath\n  *  an ObservationRegistry is configured in the application to record observations\n\n\nTypically, Spring Boot applications need the org.springframework.boot:spring-boot-actuator dependency to meet all conditions.","published":"2023-11-28T08:10:37.217Z","modified":"2026-10-28T02:30:35.402305030Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.springframework:spring-webmvc","fixedVersion":"6.0.14"}],"fix":{"url":"https://github.com/spring-projects/spring-framework/commit/c18784678df489d06a70e54fcddb5e3821d4b00c","label":"spring-projects/spring-framework@c187846"},"references":[{"type":"WEB","url":"https://spring.io/security/cve-2023-34053"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34053.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34053"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20231214-0007/"},{"type":"WEB","url":"https://github.com/spring-projects/spring-framework/commit/c18784678df489d06a70e54fcddb5e3821d4b00c"},{"type":"PACKAGE","url":"https://github.com/spring-projects/spring-framework"},{"type":"WEB","url":"https://github.com/spring-projects/spring-framework/compare/v6.0.13...v6.0.14"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20231214-0007"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:30:35.402305030Z"}}