Description
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.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
Source: the vendor's advisory (CNA). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4.25 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1.8.GA | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | — |
References
- https://access.redhat.com/errata/RHSA-2026:53644
- 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
Timeline
- Published
- Aug 11, 2026
- Last modified
- Nov 1, 2026
- NVD status
- Awaiting Analysis