CVE-2021-46877

A flaw was found in Jackson Databind. This issue may allow a malicious user to cause a denial of service (2 GB transient heap usage per read) in uncommon situations involving JsonNode JDK serialization.

Red Hat Single Sign-On is an integrated sign-on solution, available as a Red Hat JBoss Middleware for OpenShift containerized image. The Red Hat Single Sign-On for OpenShift image provides an authentication server that you can use to log in centrally, log out, and register. You can also manage user accounts for web applications, mobile applications, and RESTful web services. This erratum releases a new image for Red Hat Single Sign-On 7.6.5 for use within the OpenShift Container Platform 3.10, OpenShift Container Platform 3.11, and within the OpenShift Container Platform 4.3 cloud computing Platform-as-a-Service for on-premise or private cloud deployments, aligning with the standalone product release. Issues addressed include a denial of service vulnerability.