VDB
RHSA-2026%3A0990
RHSA-2026%3A0990
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:cbfb1c86b988a242eb25774b3f1f32d1f29795335c6e4e49f6b3b0065c5af459_arm64 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:cbfb1c86b988a242eb25774b3f1f32d1f29795335c6e4e49f6b3b0065c5af459_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:cbfb1c86b988a242eb25774b3f1f32d1f29795335c6e4e49f6b3b0065c5af459_arm64, * |
| Go | Go | |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:3ca7fb070c05efc25fe53af6fc922875ecb9d11943d3c243b2840d7ca2b1aa33_amd64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | *, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:3ca7fb070c05efc25fe53af6fc922875ecb9d11943d3c243b2840d7ca2b1aa33_amd64, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:3ca7fb070c05efc25fe53af6fc922875ecb9d11943d3c243b2840d7ca2b1aa33_amd64 |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:41f1f7807a760ba804e71971810977dc63010a17ccd74b607aaf01fb28386cbc_s390x as a component of cert-manager operator for Red Hat OpenShift 1.18 | *, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:41f1f7807a760ba804e71971810977dc63010a17ccd74b607aaf01fb28386cbc_s390x, * |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:3ca7fb070c05efc25fe53af6fc922875ecb9d11943d3c243b2840d7ca2b1aa33_amd64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | *, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:3ca7fb070c05efc25fe53af6fc922875ecb9d11943d3c243b2840d7ca2b1aa33_amd64, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:3ca7fb070c05efc25fe53af6fc922875ecb9d11943d3c243b2840d7ca2b1aa33_amd64 |
| Go | Go standard library | |
| golang | Go | |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:399c99087dd8b4b6f790dddaa6cd284a1aa459eb641c5b788e1b926e9d0f6a7e_amd64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:399c99087dd8b4b6f790dddaa6cd284a1aa459eb641c5b788e1b926e9d0f6a7e_amd64, *, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:399c99087dd8b4b6f790dddaa6cd284a1aa459eb641c5b788e1b926e9d0f6a7e_amd64 |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:399c99087dd8b4b6f790dddaa6cd284a1aa459eb641c5b788e1b926e9d0f6a7e_amd64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:399c99087dd8b4b6f790dddaa6cd284a1aa459eb641c5b788e1b926e9d0f6a7e_amd64, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:399c99087dd8b4b6f790dddaa6cd284a1aa459eb641c5b788e1b926e9d0f6a7e_amd64, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:399c99087dd8b4b6f790dddaa6cd284a1aa459eb641c5b788e1b926e9d0f6a7e_amd64 |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:1f62aebd5bbdd5809116b4575adfec3d51c24e48ce188aaf3b06dd26826bc737_s390x as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:1f62aebd5bbdd5809116b4575adfec3d51c24e48ce188aaf3b06dd26826bc737_s390x, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:1f62aebd5bbdd5809116b4575adfec3d51c24e48ce188aaf3b06dd26826bc737_s390x, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:1f62aebd5bbdd5809116b4575adfec3d51c24e48ce188aaf3b06dd26826bc737_s390x |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:1f62aebd5bbdd5809116b4575adfec3d51c24e48ce188aaf3b06dd26826bc737_s390x as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:1f62aebd5bbdd5809116b4575adfec3d51c24e48ce188aaf3b06dd26826bc737_s390x, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:1f62aebd5bbdd5809116b4575adfec3d51c24e48ce188aaf3b06dd26826bc737_s390x, * |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0a08f25c01d26cf0833fb5fd2e2b77e11b7ee92016c6e039594180262496212f_ppc64le as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0a08f25c01d26cf0833fb5fd2e2b77e11b7ee92016c6e039594180262496212f_ppc64le, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0a08f25c01d26cf0833fb5fd2e2b77e11b7ee92016c6e039594180262496212f_ppc64le, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0a08f25c01d26cf0833fb5fd2e2b77e11b7ee92016c6e039594180262496212f_ppc64le |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:28b8e7c5383ce99ef0589242494e9cbb30d0ef94ee16a54c191ab0b434128923_arm64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | *, *, * |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:5c7fc6f10f7d9f5299ca42feadd98da0ce9d53835e89f8690a74ccd62e20dde5_ppc64le as a component of cert-manager operator for Red Hat OpenShift 1.18 | *, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:5c7fc6f10f7d9f5299ca42feadd98da0ce9d53835e89f8690a74ccd62e20dde5_ppc64le, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:5c7fc6f10f7d9f5299ca42feadd98da0ce9d53835e89f8690a74ccd62e20dde5_ppc64le |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0a08f25c01d26cf0833fb5fd2e2b77e11b7ee92016c6e039594180262496212f_ppc64le as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0a08f25c01d26cf0833fb5fd2e2b77e11b7ee92016c6e039594180262496212f_ppc64le, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0a08f25c01d26cf0833fb5fd2e2b77e11b7ee92016c6e039594180262496212f_ppc64le, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0a08f25c01d26cf0833fb5fd2e2b77e11b7ee92016c6e039594180262496212f_ppc64le |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:41f1f7807a760ba804e71971810977dc63010a17ccd74b607aaf01fb28386cbc_s390x as a component of cert-manager operator for Red Hat OpenShift 1.18 | registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:41f1f7807a760ba804e71971810977dc63010a17ccd74b607aaf01fb28386cbc_s390x, *, registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:41f1f7807a760ba804e71971810977dc63010a17ccd74b607aaf01fb28386cbc_s390x |
| golang | crypto/x509 | |
| Red Hat | registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:28b8e7c5383ce99ef0589242494e9cbb30d0ef94ee16a54c191ab0b434128923_arm64 as a component of cert-manager operator for Red Hat OpenShift 1.18 | *, *, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:28b8e7c5383ce99ef0589242494e9cbb30d0ef94ee16a54c191ab0b434128923_arm64 |
…and 1 more
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 18, 2026 CVE Updated
References
- https://access.redhat.com/errata/RHSA-2026:0990 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_0990.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