Micrometer instrumentation of Apache HttpAsyncClient DoS vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
It is possible for outbound HTTP requests using a Micrometer-instrumented client to cause a denial-of-service (DoS) condition due to an unbounded memory leak. Micrometer 1.17.0 Micrometer 1.16.0 - 1.16.6 Micrometer 1.15.0 - 1.15.12 Micrometer 1.14.0 - 1.14.16 Micrometer 1.9.18 and earlier
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Red Hat 2 advisories
- RHSA-2026:83520 Released 2026-10-15 · Red Hat rating ImportantRed Hat build of Quarkus 3.33.4 release and security update
- Red Hat build of Quarkus 3.33.4.redhat at.yawk.lz4.lz4-java-1.11.1.rhel8-redhat-00001.jar, com.fasterxml.jackson.core.jackson-core-2.21.7.redhat-00001.jar, com.fasterxml.jackson.core.jackson-databind-2.21.7.redhat-00001.jar +10
- RHSA-2026:83082 Released 2026-10-15 · Red Hat rating ImportantRed Hat build of Quarkus 3.27.6 release and security update
- Red Hat build of Quarkus 3.27.6.redhat at.yawk.lz4.lz4-java-1.11.1.rhel8-redhat-00001.jar, com.fasterxml.jackson.core.jackson-core-2.21.7.redhat-00001.jar, com.fasterxml.jackson.core.jackson-databind-2.21.7.redhat-00001.jar +11
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat AMQ Broker 7 | Affected | No fix yet |
| Red Hat build of Quarkus 3.27.6.redhat | Fixed | RHSA-2026:83082 |
| Red Hat build of Quarkus 3.33.4.redhat | Fixed | RHSA-2026:83520 |
Not affected: 15 products
- Exploit Intelligence
- Red Hat Build of Keycloak
- Red Hat Data Grid 8
- Red Hat Fuse 7
- Red Hat JBoss Enterprise Application Platform 8
- Red Hat JBoss Enterprise Application Platform Expansion Pack
- Red Hat OpenShift AI (RHOAI)
- Red Hat OpenShift Dev Spaces
- Red Hat Satellite 6
- Red Hat build of Apache Camel 4 for Quarkus 3
- Red Hat build of Apache Camel for Spring Boot 4
- Red Hat build of Apicurio Registry 3
- Red Hat build of Debezium 3
- Red Hat build of Quarkus 3.27.6.redhat
- Red Hat build of Quarkus 3.33.4.redhat
Timeline
- 2026-10-02 Threatist record created from CVE-2026-59295
- 2026-10-03 Alias added: GHSA-v7hr-hgg3-vv6q
- 2026-10-16 Fix available: RHSA-2026:83520 · Red Hat
- 2026-10-16 Fix available: RHSA-2026:83082 · Red Hat
- 2026-10-16 Fix available: Red Hat build of Quarkus 3.27.6.redhat, Red Hat build of Quarkus 3.33.4.redhat · Red Hat
References
More VMware vulnerabilities
- TI-2026-42442 vCenter directory-traversal vulnerability KEVCVSS 3.1CRITICAL 9.8
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- TI-2024-26039 Heap-overflow in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-24610 Out-of-bounds write in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2023-16914 VMware vCenter Server Out-of-Bounds Write Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2023-07303 Command injection in Aria Operations for Networks KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-59295 · CVE Program
- CVE-2026-59295 · NVD
- FIRST EPSS
- GHSA-v7hr-hgg3-vv6q · GitHub Advisory Database · CC BY 4.0
- CVE-2026-59295 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences