VDB
RHSA-2026%3A2921
RHSA-2026%3A2921
PUBLISHED
CVSS 7.5 HIGH
A flaw was found in golang. A remote attacker could exploit this vulnerability by providing a specially crafted certificate during the error string construction process within the `HostnameError.Error()` function. This flaw, caused by unbounded string concatenation, leads to excessive resource consumption. Successful exploitation can result in a denial of service (DoS) for the affected system.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | registry.redhat.io/rhtas/createtree-rhel9@sha256:7a1e465f93e0560194b7d5d27b46453a0dd4ebb4072235da1ffbe4ccff91d452_amd64 as a component of Red Hat Trusted Artifact Signer 1.2 | *, *, * |
| Red Hat | registry.redhat.io/rhtas/createtree-rhel9@sha256:7a1e465f93e0560194b7d5d27b46453a0dd4ebb4072235da1ffbe4ccff91d452_amd64 as a component of Red Hat Trusted Artifact Signer 1.2 | registry.redhat.io/rhtas/createtree-rhel9@sha256:7a1e465f93e0560194b7d5d27b46453a0dd4ebb4072235da1ffbe4ccff91d452_amd64, registry.redhat.io/rhtas/createtree-rhel9@sha256:7a1e465f93e0560194b7d5d27b46453a0dd4ebb4072235da1ffbe4ccff91d452_amd64, registry.redhat.io/rhtas/createtree-rhel9@sha256:7a1e465f93e0560194b7d5d27b46453a0dd4ebb4072235da1ffbe4ccff91d452_amd64 |
| golang | Go | |
| Red Hat | Red Hat Trusted Artifact Signer |
Timeline
- Feb 18, 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
- Jul 8, 2026 CVE Updated
References
- https://access.redhat.com/errata/RHSA-2026:2921 advisory
- https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.2 advisory
- https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.2/html-single/release_notes/index advisory
- https://access.redhat.com/security/cve/CVE-2025-61729 advisory
- https://access.redhat.com/security/cve/CVE-2025-65945 advisory
- https://access.redhat.com/security/updates/classification/ advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_2921.json 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
- https://go.dev/issue/76445 advisory
- https://groups.google.com/g/golang-announce/c/8FJoBkPddm4 advisory
- https://pkg.go.dev/vuln/GO-2025-4155 advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2418904 issue
- https://www.cve.org/CVERecord?id=CVE-2025-65945 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-65945 advisory
- https://github.com/auth0/node-jws/commit/34c45b2c04434f925b638de6a061de9339c0ea2e advisory
- https://github.com/auth0/node-jws/security/advisories/GHSA-869p-cjfg-cm3x advisory