Micrometer HTTP server instrumentations DoS
GHSA-g3pr-3p32-fp23 · CVE-2026-40984
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Description
In Micrometer, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition.
Affected versions:
micrometer-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.
micrometer-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.
micrometer-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.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-40984
- WEB https://github.com/micrometer-metrics/micrometer/commit/36da131525228188a36779a28471a76c79213dd4
- WEB https://access.redhat.com/errata/RHSA-2026:36839
- WEB https://access.redhat.com/errata/RHSA-2026:37390
- WEB https://access.redhat.com/errata/RHSA-2026:41951
- WEB https://access.redhat.com/errata/RHSA-2026:50848
- WEB https://access.redhat.com/errata/RHSA-2026:50849
- WEB https://access.redhat.com/errata/RHSA-2026:54435
- WEB https://access.redhat.com/errata/RHSA-2026:62260
- WEB https://access.redhat.com/errata/RHSA-2026:66488
- WEB https://access.redhat.com/errata/RHSA-2026:66545
- WEB https://access.redhat.com/security/cve/CVE-2026-40984
- WEB https://bugzilla.redhat.com/show_bug.cgi?id=2486716
- PACKAGE https://github.com/micrometer-metrics/micrometer
- WEB https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40984.json
- WEB https://spring.io/security/cve-2026-40984
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