GHSA-g3pr-3p32-fp23
Micrometer HTTP server instrumentations DoS
Quick fix
GHSA-g3pr-3p32-fp23 — io.micrometer:micrometer-core: upgrade to the fixed version with the command below.
# pom.xml: bump <version>1.16.6</version> for io.micrometer:micrometer-coreDetails
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.
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Affected packages
1.16.0 Fixed in: 1.16.6 # pom.xml: bump <version>1.16.6</version> for io.micrometer:micrometer-core 1.15.0 Fixed in: 1.15.12 # pom.xml: bump <version>1.15.12</version> for io.micrometer:micrometer-core 1.14.0 No fixed version published yet for io.micrometer:micrometer-core (maven). Pin to a known-safe version or switch to an alternative.
1.10.0 No fixed version published yet for io.micrometer:micrometer-core (maven). Pin to a known-safe version or switch to an alternative.
0 No fixed version published yet for io.micrometer:micrometer-core (maven). Pin to a known-safe version or switch to an alternative.
1.16.0 Fixed in: 1.16.6 # pom.xml: bump <version>1.16.6</version> for io.micrometer:micrometer-jetty12 1.15.0 Fixed in: 1.15.12 # pom.xml: bump <version>1.15.12</version> for io.micrometer:micrometer-jetty12 1.14.0 No fixed version published yet for io.micrometer:micrometer-jetty12 (maven). Pin to a known-safe version or switch to an alternative.
0 No fixed version published yet for io.micrometer:micrometer-jetty12 (maven). Pin to a known-safe version or switch to an alternative.
1.16.0 Fixed in: 1.16.6 # pom.xml: bump <version>1.16.6</version> for io.micrometer:micrometer-jetty11 1.15.0 Fixed in: 1.15.12 # pom.xml: bump <version>1.15.12</version> for io.micrometer:micrometer-jetty11 1.14.0 No fixed version published yet for io.micrometer:micrometer-jetty11 (maven). Pin to a known-safe version or switch to an alternative.
0 No fixed version published yet for io.micrometer:micrometer-jetty11 (maven). Pin to a known-safe version or switch to an alternative.
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-40984 [ADVISORY]
- 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/security/cve/CVE-2026-40984 [WEB]
- https://bugzilla.redhat.com/show_bug.cgi?id=2486716 [WEB]
- https://github.com/micrometer-metrics/micrometer [PACKAGE]
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40984.json [WEB]
- https://spring.io/security/cve-2026-40984 [WEB]