Red Hat Security Advisory: Multicluster Engine for Kubernetes 2.6.3 security updates
Multicluster engine for Kubernetes v2.6.3 images Multicluster engine for Kubernetes provides the foundational components that are necessary for the centralized management of multiple Kubernetes-based clusters across data centers, public clouds, and private clouds. You can use the engine to create new Red Hat OpenShift Container Platform clusters or to bring existing Kubernetes-based clusters under management by importing them. After the clusters are managed, you can use the APIs that are provided by the engine to distribute configuration based on placement policy. Security fix(es): nodejs/elliptic: EDDSA signature malleability occurs because there is a missing signature length check, and thus zero-valued bytes can be removed or appended (CVE-2024-42459) nodejs/elliptic: ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero (CVE-2024-42460) nodejs/elliptic: ECDSA implementation malleability due to BER-enconded signatures being allowed (CVE-2024-42461)
AI Analysis
Technical Summary
The Multicluster Engine for Kubernetes 2.6.3 images include fixes for three related vulnerabilities in the nodejs/elliptic cryptographic library: CVE-2024-42459 (EDDSA signature malleability caused by missing signature length checks allowing zero-valued bytes to be removed or appended), CVE-2024-42460 (ECDSA signature malleability due to missing checks on the leading bit of r and s values), and CVE-2024-42461 (ECDSA malleability caused by acceptance of BER-encoded signatures). These issues could allow signature malleability, which may affect cryptographic verification processes. The advisory is specific to the Multicluster Engine for Kubernetes 2.6.3 images used for centralized management of Kubernetes clusters. Red Hat provides updated images and installation instructions to address these vulnerabilities.
Potential Impact
The vulnerabilities cause signature malleability in cryptographic operations within the nodejs/elliptic library used by the Multicluster Engine for Kubernetes. This malleability could potentially undermine the integrity of signature verification processes, affecting trust in cryptographic signatures. However, the advisory rates the overall impact as moderate and does not report known exploits in the wild.
Mitigation Recommendations
Red Hat has released updated Multicluster Engine for Kubernetes 2.6.3 images that address these vulnerabilities. Users should follow the official Red Hat documentation to install the updated images. No additional mitigation actions are indicated beyond applying the updated images as per the vendor advisory.
Red Hat Security Advisory: Multicluster Engine for Kubernetes 2.6.3 security updates
Description
Multicluster engine for Kubernetes v2.6.3 images Multicluster engine for Kubernetes provides the foundational components that are necessary for the centralized management of multiple Kubernetes-based clusters across data centers, public clouds, and private clouds. You can use the engine to create new Red Hat OpenShift Container Platform clusters or to bring existing Kubernetes-based clusters under management by importing them. After the clusters are managed, you can use the APIs that are provided by the engine to distribute configuration based on placement policy. Security fix(es): nodejs/elliptic: EDDSA signature malleability occurs because there is a missing signature length check, and thus zero-valued bytes can be removed or appended (CVE-2024-42459) nodejs/elliptic: ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero (CVE-2024-42460) nodejs/elliptic: ECDSA implementation malleability due to BER-enconded signatures being allowed (CVE-2024-42461)
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Multicluster Engine for Kubernetes 2.6.3 images include fixes for three related vulnerabilities in the nodejs/elliptic cryptographic library: CVE-2024-42459 (EDDSA signature malleability caused by missing signature length checks allowing zero-valued bytes to be removed or appended), CVE-2024-42460 (ECDSA signature malleability due to missing checks on the leading bit of r and s values), and CVE-2024-42461 (ECDSA malleability caused by acceptance of BER-encoded signatures). These issues could allow signature malleability, which may affect cryptographic verification processes. The advisory is specific to the Multicluster Engine for Kubernetes 2.6.3 images used for centralized management of Kubernetes clusters. Red Hat provides updated images and installation instructions to address these vulnerabilities.
Potential Impact
The vulnerabilities cause signature malleability in cryptographic operations within the nodejs/elliptic library used by the Multicluster Engine for Kubernetes. This malleability could potentially undermine the integrity of signature verification processes, affecting trust in cryptographic signatures. However, the advisory rates the overall impact as moderate and does not report known exploits in the wild.
Mitigation Recommendations
Red Hat has released updated Multicluster Engine for Kubernetes 2.6.3 images that address these vulnerabilities. Users should follow the official Red Hat documentation to install the updated images. No additional mitigation actions are indicated beyond applying the updated images as per the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:7759
- Cve Count
- 3
- Additional Cves
- ["CVE-2024-42460","CVE-2024-42461"]
Threat ID: 6a419cbc27e9c79719abf79c
Added to database: 06/28/2026, 22:14:20 UTC
Last enriched: 08/22/2026, 22:32:55 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 35
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.