VDB
RHSA-2026:51033
RHSA-2026:51033
PUBLISHED
CVSS 8.800000190734863 HIGH
A flaw was found in Fulcio, a free-to-use certificate authority. This vulnerability allows a denial of service (DoS) due to excessive memory allocation when processing a malicious OpenID Connect (OIDC) identity token containing numerous period characters.
Risk Scores
CVSS 3.1
8.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | registry.redhat.io/oadp/oadp-velero-plugin-for-csi-rhel9@sha256:9e2cde3376ceec8f2794102f2b9834298eda10c9f7fe947c56f684fd493d8a75_arm64 as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-rhel9-operator@sha256:c2ad30f62435ccf5250dab6e6e8286ca733cd513c8ab98b9d59ae3f20f606d10_ppc64le as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-velero-plugin-for-microsoft-azure-rhel9@sha256:39fc14634b12f9fe479aaf5158d3045fc12df6f5b5b9abb9dbe041b49ac2e330_amd64 as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-mustgather-rhel9@sha256:9ef46cc9fe1bb0608aba0b4d72bb1a1479e93e96f8cae8eea01643689fa568c5_amd64 as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-velero-plugin-for-csi-rhel9@sha256:345f3aa4c15440f3a49513a2f49631799a0d9dda8ff1f3cd114adbc1e9d996c5_s390x as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-cli-binaries-rhel9@sha256:31a22af5fb2d2767267b80b3c15dab1ed0c2620eb1d33ffa4c4c24ca57071cf9_arm64 as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-velero-plugin-for-csi-rhel9@sha256:46227e86cc58f7b19655017b313bc8bcdd38f1f78d4f52f4a68428dfc54e3dfc_ppc64le as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-kubevirt-velero-plugin-rhel9@sha256:4f2300a741dd4e84bf99b1ff738a00fddd52b75db4b69ad42f3faf47e8ae3e75_arm64 as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-velero-restic-restore-helper-rhel9@sha256:378da075a87da97c186d6b069ceba23b8ce50b8fc183f89bc6775c9a0c93d92c_s390x as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-kubevirt-velero-plugin-rhel9@sha256:956de2cb9012bb5d0cc0eee438e58dab3090f445617aa4f3361dbe7f9f151eb0_s390x as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-cli-binaries-rhel9@sha256:56a93ad53df1c0445b3fee293ab42caa375f88b72872d8fb844efeb114869eaa_amd64 as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-rhel9-operator@sha256:54db3ee0284dbebea5017981abb6f7c710d7f1c505389931290d39a926cc805e_arm64 as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-velero-plugin-for-gcp-rhel9@sha256:19b74fe19c3e183f37af9f8db97eb7ab858c46c6c5bf6c10154f622948dd327b_ppc64le as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-velero-plugin-for-gcp-rhel9@sha256:fd943aa4cdb7f56dd2b3a5ed30d4ba635e2c238e4cb5e8577671d301ef3129ab_amd64 as a component of OpenShift API for Data Protection 1.3 | * |
| golang | Go | |
| Red Hat | registry.redhat.io/oadp/oadp-kubevirt-velero-plugin-rhel9@sha256:4d763201b2daa4fe2e7f74fb42671e9752b9c301272b357d9e810420a617aff2_amd64 as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | registry.redhat.io/oadp/oadp-velero-plugin-for-csi-rhel9@sha256:e23a3ed44476b29116abc947f84e0134800ac5a3a97a4d7b6338d02a77940552_amd64 as a component of OpenShift API for Data Protection 1.3 | * |
| golang | go | |
| Red Hat | registry.redhat.io/oadp/oadp-velero-plugin-rhel9@sha256:6d17bf782abba341a8c1ffe638a498cd6c6e71c2791633d4b01b516702fdadaf_arm64 as a component of OpenShift API for Data Protection 1.3 | * |
| Red Hat | OpenShift API for Data Protection |
…and 31 more
Timeline
- Aug 6, 2026 CVE Published
- Oct 14, 2026 CVE Updated
- Oct 14, 2026 Distribution Patch
- Oct 14, 2026 Distribution Patch
- Oct 14, 2026 Security Advisory
- Oct 14, 2026 Security Advisory
- Oct 14, 2026 Security Advisory
- Oct 14, 2026 Security Advisory
- Oct 14, 2026 Security Advisory
- Oct 14, 2026 Security Advisory
- Oct 14, 2026 Security Advisory
- Oct 14, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2026:51033 advisory
- https://access.redhat.com/security/cve/CVE-2024-25621 advisory
- https://access.redhat.com/security/cve/CVE-2025-61726 advisory
- https://access.redhat.com/security/cve/CVE-2025-61728 advisory
- https://access.redhat.com/security/cve/CVE-2025-61729 advisory
- https://access.redhat.com/security/cve/CVE-2025-66506 advisory
- https://access.redhat.com/security/cve/CVE-2025-68121 advisory
- https://access.redhat.com/security/cve/CVE-2026-25681 advisory
- https://access.redhat.com/security/cve/CVE-2026-27136 advisory
- https://access.redhat.com/security/cve/CVE-2026-32280 advisory
- https://access.redhat.com/security/cve/CVE-2026-32281 advisory
- https://access.redhat.com/security/cve/CVE-2026-32282 advisory
- https://access.redhat.com/security/cve/CVE-2026-33186 advisory
- https://access.redhat.com/security/cve/CVE-2026-33747 advisory
- https://access.redhat.com/security/cve/CVE-2026-33748 advisory
- https://access.redhat.com/security/cve/CVE-2026-33810 advisory
- https://access.redhat.com/security/cve/CVE-2026-33811 advisory
- https://access.redhat.com/security/cve/CVE-2026-34986 advisory
- https://access.redhat.com/security/cve/CVE-2026-39820 advisory
- https://access.redhat.com/security/cve/CVE-2026-39821 advisory
…and 205 more