Red Hat Security Advisory: OpenShift Container Platform 4.18.4 security update
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.18.4. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2025:2451 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes: https://docs.openshift.com/container-platform/4.18/release_notes/ocp-4-18-release-notes.html Security Fix(es): * buildah: Buildah allows arbitrary directory mount (CVE-2024-9675) * golang.org/x/net/html: Non-linear parsing of case-insensitive content in golang.org/x/net/html (CVE-2024-45338) * kernel: HID: core: zero-initialize the report buffer (CVE-2024-50302) * mholt/archiver: path traversal vulnerability (CVE-2024-0406) * golang-protobuf: encoding/protojson, internal/encoding/json: infinite loop in protojson.Unmarshal when unmarshaling certain forms of invalid JSON (CVE-2024-24786) * distribution: Distribution's token authentication allows attacker to inject an untrusted signing key in a JWT (CVE-2025-24976) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. All OpenShift Container Platform 4.18 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.18/updating/updating_a_cluster/updating-cluster-cli.html
AI Analysis
Technical Summary
This advisory covers security updates in Red Hat OpenShift Container Platform 4.18.4 that fix six vulnerabilities: CVE-2024-0406 (path traversal in mholt/archiver), CVE-2024-9675 (arbitrary directory mount in buildah), CVE-2024-24786 (infinite loop in golang-protobuf's protojson.Unmarshal), CVE-2024-45338 (non-linear parsing in golang.org/x/net/html), CVE-2024-50302 (kernel HID core zero-initialization), and CVE-2025-24976 (token authentication allowing untrusted signing key injection in distribution). The update is rated as having an important security impact. The advisory recommends upgrading OpenShift Container Platform 4.18 users to version 4.18.4, which contains updated container images and packages to address these vulnerabilities.
Potential Impact
The vulnerabilities fixed in this update include path traversal, arbitrary directory mount, infinite loops during JSON unmarshaling, improper parsing of HTML content, kernel buffer initialization issues, and token authentication weaknesses that could allow attackers to inject untrusted signing keys. These issues could lead to unauthorized access, denial of service, or privilege escalation within affected OpenShift Container Platform deployments. The overall security impact is rated as important (high severity).
Mitigation Recommendations
A fix is available in Red Hat OpenShift Container Platform version 4.18.4. Users running versions >=4.18.0 and <4.18.4 are advised to upgrade to 4.18.4 as soon as it is available in their release channel. Upgrades can be performed using the OpenShift CLI (oc) or the web console. Detailed upgrade instructions are provided by Red Hat at https://docs.openshift.com/container-platform/4.18/updating/updating_a_cluster/updating-cluster-cli.html. No additional mitigation steps are indicated beyond applying this update.
Red Hat Security Advisory: OpenShift Container Platform 4.18.4 security update
Description
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.18.4. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2025:2451 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes: https://docs.openshift.com/container-platform/4.18/release_notes/ocp-4-18-release-notes.html Security Fix(es): * buildah: Buildah allows arbitrary directory mount (CVE-2024-9675) * golang.org/x/net/html: Non-linear parsing of case-insensitive content in golang.org/x/net/html (CVE-2024-45338) * kernel: HID: core: zero-initialize the report buffer (CVE-2024-50302) * mholt/archiver: path traversal vulnerability (CVE-2024-0406) * golang-protobuf: encoding/protojson, internal/encoding/json: infinite loop in protojson.Unmarshal when unmarshaling certain forms of invalid JSON (CVE-2024-24786) * distribution: Distribution's token authentication allows attacker to inject an untrusted signing key in a JWT (CVE-2025-24976) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. All OpenShift Container Platform 4.18 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.18/updating/updating_a_cluster/updating-cluster-cli.html
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers security updates in Red Hat OpenShift Container Platform 4.18.4 that fix six vulnerabilities: CVE-2024-0406 (path traversal in mholt/archiver), CVE-2024-9675 (arbitrary directory mount in buildah), CVE-2024-24786 (infinite loop in golang-protobuf's protojson.Unmarshal), CVE-2024-45338 (non-linear parsing in golang.org/x/net/html), CVE-2024-50302 (kernel HID core zero-initialization), and CVE-2025-24976 (token authentication allowing untrusted signing key injection in distribution). The update is rated as having an important security impact. The advisory recommends upgrading OpenShift Container Platform 4.18 users to version 4.18.4, which contains updated container images and packages to address these vulnerabilities.
Potential Impact
The vulnerabilities fixed in this update include path traversal, arbitrary directory mount, infinite loops during JSON unmarshaling, improper parsing of HTML content, kernel buffer initialization issues, and token authentication weaknesses that could allow attackers to inject untrusted signing keys. These issues could lead to unauthorized access, denial of service, or privilege escalation within affected OpenShift Container Platform deployments. The overall security impact is rated as important (high severity).
Mitigation Recommendations
A fix is available in Red Hat OpenShift Container Platform version 4.18.4. Users running versions >=4.18.0 and <4.18.4 are advised to upgrade to 4.18.4 as soon as it is available in their release channel. Upgrades can be performed using the OpenShift CLI (oc) or the web console. Detailed upgrade instructions are provided by Red Hat at https://docs.openshift.com/container-platform/4.18/updating/updating_a_cluster/updating-cluster-cli.html. No additional mitigation steps are indicated beyond applying this update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:2449
- Cve Count
- 6
- Additional Cves
- ["CVE-2024-9675","CVE-2024-24786","CVE-2024-45338","CVE-2024-50302","CVE-2025-24976"]
Threat ID: 6a160956e29bf47b5061bb04
Added to database: 05/26/2026, 20:57:58 UTC
Last enriched: 08/14/2026, 22:33:13 UTC
Last updated: 09/10/2026, 19:36:47 UTC
Views: 146
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