CVE-2026-15561
CVE-2026-15561 · Undertow-core: oom via missing limits in chunked trailer in eap's undertow
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
A flaw was found in EAP's undertow http/1.1 chunked-transfer decoder. missing limits on size and count would allow an attacker to use an unauthenticated connection to drive the JVM to an OutOfMemory error, stopping all deployments on the listener, and achieving Denial of Service.
CVSS 7.5 · High · EPSS 0.8%
- Published
- Updated
Stack: system
Affected products and versions
red hat jboss enterprise application platform 7.4.25
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 7
- Versions
- ≥ 0:2.16.0-22.redhat_00057.1.el7eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 7
- Versions
- ≥ 0:2.3.14-11.SP11_redhat_00001.1.el7eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 7
- Versions
- ≥ 0:1.5.26-2.Final_redhat_00001.1.el7eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 7
- Versions
- ≥ 0:2.18.8-1.redhat_00003.1.el7eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 7
- Versions
- ≥ 0:5.0.31-3.SP2_redhat_00001.1.el7eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 7
- Versions
- ≥ 0:1.10.0-46.Final_redhat_00044.1.el7eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 7
- Versions
- ≥ 0:4.1.135-1.Final_redhat_00001.1.el7eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 7
- Versions
- ≥ 0:2.5.5-30.SP12_redhat_00020.1.el7eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 7
- Versions
- ≥ 0:2.5.5-24.SP12_redhat_00016.1.el7eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 7
- Versions
- ≥ 0:2.2.40-2.SP3_redhat_00001.1.el7eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 7
- Versions
- ≥ 0:7.4.25-2.GA_redhat_00001.1.el7eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 8
- Versions
- ≥ 0:2.16.0-22.redhat_00057.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 8
- Versions
- ≥ 0:2.3.14-11.SP11_redhat_00001.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 8
- Versions
- ≥ 0:1.5.26-2.Final_redhat_00001.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 8
- Versions
- ≥ 0:2.18.8-1.redhat_00003.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 8
- Versions
- ≥ 0:5.0.31-3.SP2_redhat_00001.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 8
- Versions
- ≥ 0:1.10.0-46.Final_redhat_00044.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 8
- Versions
- ≥ 0:4.1.135-1.Final_redhat_00001.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 8
- Versions
- ≥ 0:2.5.5-30.SP12_redhat_00020.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 8
- Versions
- ≥ 0:2.5.5-24.SP12_redhat_00016.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 8
- Versions
- ≥ 0:2.2.40-1.SP3_redhat_00001.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 8
- Versions
- ≥ 0:7.4.25-2.GA_redhat_00001.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 7.4 els on rhel 9
- Versions
- ≥ 0:2.16.0-22.redhat_00057.1.el9eap: Not affected (rpm)
No fix published
Original sources
- https://access.redhat.com/errata/RHSA-2026:53644
- https://access.redhat.com/errata/RHSA-2026:53645
- https://access.redhat.com/errata/RHSA-2026:53646
- https://access.redhat.com/errata/RHSA-2026:53806
- https://access.redhat.com/errata/RHSA-2026:70228
- https://access.redhat.com/errata/RHSA-2026:70229
- https://access.redhat.com/errata/RHSA-2026:70230
- https://access.redhat.com/errata/RHSA-2026:70277
- https://access.redhat.com/security/cve/CVE-2026-15561
- https://bugzilla.redhat.com/show_bug.cgi?id=2483133
- https://nvd.nist.gov/vuln/detail/CVE-2026-15561