Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.4.12 Images Security Update

New images are available for Red Hat build of Keycloak 26.4.12 and Red Hat build of Keycloak 26.4.12 Operator, running on OpenShift Container Platform Red Hat build of Keycloak is an integrated sign-on solution, available as a Red Hat JBoss Middleware for OpenShift containerized image. The Red Ha...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.18.42 security and extras update

Red Hat OpenShift Container Platform release 4.18.42 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.18. Red Hat Product Security has rated this update as having a security impact of...

RHCOS 4 : OpenShift Container Platform 4.18.42 (RHSA-2026:17446)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:17446 advisory. - golang: archive/tar: Unbounded allocation when parsing GNU sparse map CVE-2025-58183 - golang: net/url: Memory exhaustion in quer...

Important: Red Hat Security Advisory: Assisted Installer RHEL 9 components for Multicluster Engine for Kubernetes 2.9.4

Assisted installer RHEL 9 components for the multicluster engine for Kubernetes 2.9.4 General Availability release, with updates to container images. Assisted Installer RHEL 9 integrates components for the general multicluster engine for Kubernetes 2.9.4 release that simplify the process of...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.19.31 bug fix and security update

Red Hat OpenShift Container Platform release 4.19.31 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.19. Red Hat Product Security has rated this update as having a...

RHSA-2026:12273 Red Hat Security Advisory: OpenShift Container Platform 4.12.88 packages and security update

Bulletin has no description...

Moderate: Red Hat Security Advisory: OpenShift Container Platform 4.12.88 packages and security update

Red Hat OpenShift Container Platform release 4.12.88 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.12. Red Hat Product Security has rated this update as having a...

RHCOS 4 : OpenShift Container Platform 4.12.88 (RHSA-2026:12273)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:12273 advisory. - github.com/sirupsen/logrus: github.com/sirupsen/logrus: Denial-of-Service due to large single-line payload CVE-2025-65637 Note that Nessus...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.14 bug fix and security update

Red Hat OpenShift Container Platform release 4.21.14 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a...

RHCOS 3 : OpenShift Container Platform 3.11.634 (RHSA-2022:0555)

The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:0555 advisory. - jenkins: no POST request is required for the endpoint handling manual build requests which could result in CSRF CVE-2022-20612 -...

RHCOS 4 : OpenShift Container Platform 4.9.4 (RHSA-2021:3934)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:3934 advisory. - coreos-installer: incorrect signature verification on gzip-compressed install images CVE-2021-20319 Note that Nessus has not tested for thi...

RHCOS 4 : OpenShift Container Platform 4.1.24 openshift (RHSA-2019:3942)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:3942 advisory. - kubernetes: Schema info written with world-writeable permissions when cached CVE-2019-11244 Note that Nessus has not tested for this issue...

RHCOS 4 : OpenShift Container Platform 4.6.36 (RHSA-2021:2499)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2499 advisory. - jetty: local temporary directory hijacking vulnerability CVE-2020-27216 - jetty: buffer not correctly recycled in Gzip Request...

RHCOS 4 : OpenShift Container Platform 4.6.46 (RHSA-2021:3642)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:3642 advisory. - kubernetes: Symlink exchange can allow host filesystem access CVE-2021-25741 Note that Nessus has not tested for this issue but has instead...

RHCOS 4 : OpenShift Container Platform 4.10.4 (RHSA-2022:0810)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2022:0810 advisory. - CRI-O: Arbitrary code execution in cri-o via abusing kernel.corepattern kernel parameter CVE-2022-0811 Note that Nessus has not tested for...

RHCOS 4 : OpenShift Container Platform 4.3.25 containernetworking-plugins (RHSA-2020:2443)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:2443 advisory. - containernetworking/plugins: IPv6 router advertisements allow for MitM attacks on IPv4 clusters CVE-2020-10749 Note that Nessus has not...

RHCOS 3 : OpenShift Container Platform 3.9 cri-o (RHSA-2019:3812)

The remote Red Hat Enterprise Linux CoreOS 3 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2019:3812 advisory. - containers/image: not enforcing TLS when sending username+password credentials to token servers leading to credential disclosure...

RHCOS 4 : OpenShift Container Platform 4.10.12 (RHSA-2022:1600)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:1600 advisory. - cri-o: Default inheritable capabilities for linux container should be empty CVE-2022-27652 - credentials: Stored XSS vulnerabiliti...

RHCOS 3 : OpenShift Container Platform 3.11.542 (RHSA-2021:3915)

The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:3915 advisory. - kubernetes: Node disk DOS by writing to container /etc/hosts CVE-2020-8557 Note that Nessus has not tested for this issue but has instead...

RHCOS 4 : OpenShift Container Platform 4.6.6 (RHSA-2020:5159)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:5159 advisory. - golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs CVE-2020-16845 Note that Nessus has not tested...