VDB
RHSA-2026%3A1042
RHSA-2026%3A1042
PUBLISHED
CVSS 6.5 MEDIUM
A flaw was found in the crypto/x509 package in the Go standard library. This vulnerability allows a certificate validation bypass via an excluded subdomain constraint in a certificated chain as it does not restrict the usage of wildcard SANs in the leaf certificate.
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:2f2e78fd6d5a22d977e80100425da58d77a5286d4d017c38e27d7900d52fdb28_s390x as a component of cert-manager operator for Red Hat OpenShift 1.18 | *, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:2f2e78fd6d5a22d977e80100425da58d77a5286d4d017c38e27d7900d52fdb28_s390x, * |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:7906836c624e2aea656d2c64bd3fee260b69c9f6a0ab46e5d228154f5d6241c4_ppc64le as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:7906836c624e2aea656d2c64bd3fee260b69c9f6a0ab46e5d228154f5d6241c4_ppc64le, *, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:7906836c624e2aea656d2c64bd3fee260b69c9f6a0ab46e5d228154f5d6241c4_ppc64le |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:08b6b8c954c1a7ceb5a446eb1bc3e28c434cc576b77cd369c85ea79775dfb1cc_amd64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:08b6b8c954c1a7ceb5a446eb1bc3e28c434cc576b77cd369c85ea79775dfb1cc_amd64, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:08b6b8c954c1a7ceb5a446eb1bc3e28c434cc576b77cd369c85ea79775dfb1cc_amd64, * |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:749ce9e6e1216fc8e8e29c01ff14b11a1290de1bec9bd4d692f5cbace03f8e95_arm64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:749ce9e6e1216fc8e8e29c01ff14b11a1290de1bec9bd4d692f5cbace03f8e95_arm64, *, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:749ce9e6e1216fc8e8e29c01ff14b11a1290de1bec9bd4d692f5cbace03f8e95_arm64 |
| Red Hat | cert-manager Operator for Red Hat OpenShift | |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:bf234df32160c906c15cc437b66a7b35a913a400f921f2cd2e44c83a02d9c7b0_s390x as a component of cert-manager operator for Red Hat OpenShift 1.18 | *, *, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:bf234df32160c906c15cc437b66a7b35a913a400f921f2cd2e44c83a02d9c7b0_s390x |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:77f4d70980abe59f1e69bf38bfeeeed0b84b27fe9ae3286666d01a0c8aa6b067_ppc64le as a component of cert-manager operator for Red Hat OpenShift 1.18 | *, *, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:77f4d70980abe59f1e69bf38bfeeeed0b84b27fe9ae3286666d01a0c8aa6b067_ppc64le |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:2f2e78fd6d5a22d977e80100425da58d77a5286d4d017c38e27d7900d52fdb28_s390x as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:2f2e78fd6d5a22d977e80100425da58d77a5286d4d017c38e27d7900d52fdb28_s390x, *, * |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:bf234df32160c906c15cc437b66a7b35a913a400f921f2cd2e44c83a02d9c7b0_s390x as a component of cert-manager operator for Red Hat OpenShift 1.18 | *, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:bf234df32160c906c15cc437b66a7b35a913a400f921f2cd2e44c83a02d9c7b0_s390x, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:bf234df32160c906c15cc437b66a7b35a913a400f921f2cd2e44c83a02d9c7b0_s390x |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:749ce9e6e1216fc8e8e29c01ff14b11a1290de1bec9bd4d692f5cbace03f8e95_arm64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | *, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:749ce9e6e1216fc8e8e29c01ff14b11a1290de1bec9bd4d692f5cbace03f8e95_arm64, * |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:9f89f2a9de21e45f472d533a7b627c7f27fdf726efef24ff972cebfd30815cbf_arm64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:9f89f2a9de21e45f472d533a7b627c7f27fdf726efef24ff972cebfd30815cbf_arm64, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:9f89f2a9de21e45f472d533a7b627c7f27fdf726efef24ff972cebfd30815cbf_arm64, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:9f89f2a9de21e45f472d533a7b627c7f27fdf726efef24ff972cebfd30815cbf_arm64 |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:9f89f2a9de21e45f472d533a7b627c7f27fdf726efef24ff972cebfd30815cbf_arm64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:9f89f2a9de21e45f472d533a7b627c7f27fdf726efef24ff972cebfd30815cbf_arm64, *, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:9f89f2a9de21e45f472d533a7b627c7f27fdf726efef24ff972cebfd30815cbf_arm64 |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:c8c319818479dfb5856d50ccebe1c6aaad008aff2b1ac5c317763a697884b2c2_amd64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | *, *, * |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:7906836c624e2aea656d2c64bd3fee260b69c9f6a0ab46e5d228154f5d6241c4_ppc64le as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:7906836c624e2aea656d2c64bd3fee260b69c9f6a0ab46e5d228154f5d6241c4_ppc64le, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:7906836c624e2aea656d2c64bd3fee260b69c9f6a0ab46e5d228154f5d6241c4_ppc64le, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:7906836c624e2aea656d2c64bd3fee260b69c9f6a0ab46e5d228154f5d6241c4_ppc64le |
| golang | Go | |
| golang | Go standard library | |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:77f4d70980abe59f1e69bf38bfeeeed0b84b27fe9ae3286666d01a0c8aa6b067_ppc64le as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:77f4d70980abe59f1e69bf38bfeeeed0b84b27fe9ae3286666d01a0c8aa6b067_ppc64le, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:77f4d70980abe59f1e69bf38bfeeeed0b84b27fe9ae3286666d01a0c8aa6b067_ppc64le, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:77f4d70980abe59f1e69bf38bfeeeed0b84b27fe9ae3286666d01a0c8aa6b067_ppc64le |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:c8c319818479dfb5856d50ccebe1c6aaad008aff2b1ac5c317763a697884b2c2_amd64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:c8c319818479dfb5856d50ccebe1c6aaad008aff2b1ac5c317763a697884b2c2_amd64, *, * |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:08b6b8c954c1a7ceb5a446eb1bc3e28c434cc576b77cd369c85ea79775dfb1cc_amd64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:08b6b8c954c1a7ceb5a446eb1bc3e28c434cc576b77cd369c85ea79775dfb1cc_amd64, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:08b6b8c954c1a7ceb5a446eb1bc3e28c434cc576b77cd369c85ea79775dfb1cc_amd64, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:08b6b8c954c1a7ceb5a446eb1bc3e28c434cc576b77cd369c85ea79775dfb1cc_amd64 |
Timeline
- Jan 22, 2026 CVE Published
- Apr 24, 2026 Distribution Patch
- Apr 24, 2026 Distribution Patch
- Apr 24, 2026 Security Advisory
- Apr 24, 2026 Security Advisory
- Apr 24, 2026 Security Advisory
- Apr 24, 2026 Security Advisory
- Apr 24, 2026 Security Advisory
- Apr 24, 2026 Security Advisory
- Jul 13, 2026 CVE Updated
References
- https://access.redhat.com/errata/RHSA-2026:1042 advisory
- https://access.redhat.com/security/cve/CVE-2025-61727 advisory
- https://access.redhat.com/security/cve/CVE-2025-61729 advisory
- https://access.redhat.com/security/cve/CVE-2025-66418 advisory
- https://access.redhat.com/security/cve/CVE-2025-66471 advisory
- https://access.redhat.com/security/cve/CVE-2026-21441 advisory
- https://access.redhat.com/security/updates/classification/ advisory
- https://docs.openshift.com/container-platform/latest/security/cert_manager_operator/index.html advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1042.json advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2418677 issue
- https://www.cve.org/CVERecord?id=CVE-2025-61727 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-61727 advisory
- https://go.dev/cl/723900 advisory
- https://go.dev/issue/76442 advisory
- https://groups.google.com/g/golang-announce/c/8FJoBkPddm4 advisory
- https://pkg.go.dev/vuln/GO-2025-4175 advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2418462 issue
- https://www.cve.org/CVERecord?id=CVE-2025-61729 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-61729 advisory
- https://go.dev/cl/725920 advisory
…and 17 more