CVE-2026-42508
Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.
- Score
- CVSS 3.1 9.1 Critical
- Status
- Modified - security@golang.org
- Published
- 2026-05-22
- Last modified
- 2026-09-15
- Weaknesses
- CWE-295
Affected products
- Crypto (Golang)
- Golang.orgxcryptosshknownhosts (Golang.orgxcrypto)
- Acm (Redhat)
- Advanced Cluster Security (Redhat)
- Assisted Installer (Redhat)
- Cert Manager (Redhat)
- Cluster Observability Operator (Redhat)
- Container Native Virtualization (Redhat)
- Devworkspace (Redhat)
- Edge Manager (Redhat)
- Enterprise Linux (Redhat)
- Enterprise Linux Ai (Redhat)
- Ext Dns Optr (Redhat)
- External Secrets Operator (Redhat)
- Hummingbird (Redhat)
- Logging (Redhat)
- Multicluster Engine (Redhat)
- Openshift (Redhat)
- Openshift Ai (Redhat)
- Openshift Api Data Protection (Redhat)
- Openshift Builds (Redhat)
- Openshift Data Foundation (Redhat)
- Openshift Gitops (Redhat)
- Openshift Pipelines (Redhat)
- Openstack (Redhat)
- Quay (Redhat)
- Rhel Aus (Redhat)
- Rhel E4s (Redhat)
- Rhel Eus Long Life (Redhat)
- Rhel Tus (Redhat)
- Serverless (Redhat)
- Trusted Artifact Signer (Redhat)
References
- https://go.dev/cl/781220
- https://go.dev/issue/79568
- https://groups.google.com/g/golang-announce/c/a082jnz-LvI
- https://pkg.go.dev/vuln/GO-2026-5021
- https://access.redhat.com/errata/RHSA-2026:23262
- https://access.redhat.com/errata/RHSA-2026:23264
- https://access.redhat.com/errata/RHSA-2026:26546
- https://access.redhat.com/errata/RHSA-2026:26547
- https://access.redhat.com/errata/RHSA-2026:35833
- https://access.redhat.com/errata/RHSA-2026:36648
- https://access.redhat.com/errata/RHSA-2026:36651
- https://access.redhat.com/errata/RHSA-2026:36796
- https://access.redhat.com/errata/RHSA-2026:36797
- https://access.redhat.com/errata/RHSA-2026:36808
- https://access.redhat.com/errata/RHSA-2026:37072
- https://access.redhat.com/errata/RHSA-2026:37123
- https://access.redhat.com/errata/RHSA-2026:37387
- https://access.redhat.com/errata/RHSA-2026:40118
- https://access.redhat.com/errata/RHSA-2026:40262
- https://access.redhat.com/errata/RHSA-2026:40945
- https://access.redhat.com/errata/RHSA-2026:41019
- https://access.redhat.com/errata/RHSA-2026:41031
- https://access.redhat.com/errata/RHSA-2026:41036
- https://access.redhat.com/errata/RHSA-2026:41064
- https://access.redhat.com/errata/RHSA-2026:41066
- https://access.redhat.com/errata/RHSA-2026:42146
- https://access.redhat.com/errata/RHSA-2026:42796
- https://access.redhat.com/errata/RHSA-2026:43052
- https://access.redhat.com/errata/RHSA-2026:43692
- https://access.redhat.com/errata/RHSA-2026:46885
