High [CVE-2026-68494] Denial of Service via incomplete fix in async JSON parser
This high-severity Red Hat Linux advisory covers CVE-2026-68494; related products: Cryostat 4, OpenShift Developer Tools and Services, OpenShift Serverless.
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Summary
Denial of Service via incomplete fix in async JSON parser. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-770. Red Hat lists fixing advisory RHSA-2026:53643 with package eap7-ironjacamar-0:1.5.26-2.Final_redhat_00001.1.el7eap, eap7-undertow-0:2.2.40-2.SP3_redhat_00001.1.el7eap, eap7-wildfly-0:7.4.25-2.GA_redhat_00001.1.el7eap, jackson-core.
Affected products named by the advisory: Cryostat 4; OpenShift Developer Tools and Services; OpenShift Serverless; Red Hat AI Inference Server; and 28 more.
Affected products named by the advisory: Red Hat AMQ Broker 7; Red Hat AMQ Clients; Red Hat Ansible Automation Platform 2; Red Hat build of Apache Camel 4 for Quarkus 3; and 24 more.
- < 2.15.0
- 2.18.7
- 2.19.0
- 2.21.3
- 3.0.0
- 3.1.3
- 2.22
- 2.22.0
- 3.2.0
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- eap7-ironjacamar-0:1.5.26-2.Final_redhat_00001.1.el7eap
- eap7-undertow-0:2.2.40-2.SP3_redhat_00001.1.el7eap
- eap7-wildfly-0:7.4.25-2.GA_redhat_00001.1.el7eap
- jackson-core
- eap7-netty-0:4.1.135-1.Final_redhat_00001.1.el7eap
- eap7-netty-transport-native-epoll-0:4.1.135-1.Final_redhat_00001.1.el7eap
- eap7-jackson-annotations-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-core-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-picketlink-federation-0:2.5.5-24.SP12_redhat_00016.1.el7eap
- eap7-activemq-artemis-0:2.16.0-22.redhat_00057.1.el7eap
- eap7-jboss-server-migration-0:1.10.0-46.Final_redhat_00044.1.el7eap
- rh-lightspeed-runtimes/runtimes-agent-init-rhel9:1786378722
- eap7-jackson-jaxrs-providers-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-modules-java8-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-databind-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-glassfish-jsf-0:2.3.14-11.SP11_redhat_00001.1.el7eap
- eap7-picketlink-bindings-0:2.5.5-30.SP12_redhat_00020.1.el7eap
- eap7-jboss-remoting-0:5.0.31-3.SP2_redhat_00001.1.el7eap
- eap7-jackson-modules-base-0:2.18.8-1.redhat_00003.1.el7eap
- RHSA-2026:53643
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation
Upgrade to a fixed release: eap7-ironjacamar-0:1.5.26-2.Final_redhat_00001.1.el7eap, eap7-undertow-0:2.2.40-2.SP3_redhat_00001.1.el7eap, eap7-wildfly-0:7.4.25-2.GA_redhat_00001.1.el7eap, jackson-core, eap7-netty-0:4.1.135-1.Final_redhat_00001.1.el7eap, eap7-netty-transport-native-epoll-0:4.1.135-1.Final_redhat_00001.1.el7eap. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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