RHSA-2026:2144HighCVSS 8.8

Red Hat Security Advisory: RHTAS 1.3.2 - Red Hat Trusted Artifact Signer Release

Published
February 5, 2026
Last Modified
August 31, 2026

🔗 CVE IDs covered (12)

📋 Description

CVE-2025-61729 — crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate CVE-2025-64756 — glob: glob: Command Injection Vulnerability via Malicious Filenames CVE-2025-66418 — urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion CVE-2025-66471 — urllib3: urllib3 Streaming API improperly handles highly compressed data CVE-2025-66506 — github.com/sigstore/fulcio: Fulcio: Denial of Service via crafted OpenID Connect (OIDC) token CVE-2025-66564 — github.com/sigstore/timestamp-authority: Sigstore Timestamp Authority: Denial of Service via excessive OID or Content-Type header parsing CVE-2026-21441 — urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API) CVE-2026-22772 — fulcio: Fulcio: Server-Side Request Forgery (SSRF) via unanchored regex in MetaIssuer URL validation CVE-2026-22774 — devalue: devalue: Denial of Service due to excessive resource consumption from untrusted input CVE-2026-22775 — devalue: devalue: Denial of Service due to improper input validation CVE-2026-23745 — node-tar: tar: node-tar: Arbitrary file overwrite and symlink poisoning via unsanitized linkpaths in archives CVE-2026-23950 — node-tar: tar: node-tar: Arbitrary file overwrite via Unicode path collision race condition

🎯 Affected products11

  • Red Hat Trusted Artifact Signer 1.3
  • registry.redhat.io/rhtas/certificate-transparency-rhel9@sha256:240a9553315990a06a9d52eaf6e96e3aa1c743f1fbff33b95b489d41cef18f5a_amd64 as a component of Red Hat Trusted Artifact Signer 1.3
  • registry.redhat.io/rhtas/fulcio-rhel9@sha256:d876a5e41b8467cdde921032f2cd53e77bef99ebcd8b61d72a3ad411469ad352_amd64 as a component of Red Hat Trusted Artifact Signer 1.3
  • registry.redhat.io/rhtas/rekor-backfill-redis-rhel9@sha256:ec50096d68a499e7f605bcfa7afd30845a03e0c4849736431f6752fa8b850897_amd64 as a component of Red Hat Trusted Artifact Signer 1.3
  • registry.redhat.io/rhtas/rekor-search-ui-rhel9@sha256:3971738912069448174202486b61ed384153ca18af3e8430a55795a6e65eb58d_amd64 as a component of Red Hat Trusted Artifact Signer 1.3
  • registry.redhat.io/rhtas/rekor-server-rhel9@sha256:9746960bbc79e0ecf82a0ee12f878e90e202247dcaeb046bdd11db48a52ccb90_amd64 as a component of Red Hat Trusted Artifact Signer 1.3
  • registry.redhat.io/rhtas/timestamp-authority-rhel9@sha256:37b9359f11098a781158e5bc0850ec43b599d29a354b43745067656b0a234814_amd64 as a component of Red Hat Trusted Artifact Signer 1.3
  • registry.redhat.io/rhtas/trillian-database-rhel9@sha256:f4e92bf3f35d86fe895a2e3225098b3d4d9dae720ef1d45e9efcf23dec8242b6_amd64 as a component of Red Hat Trusted Artifact Signer 1.3
  • registry.redhat.io/rhtas/trillian-logserver-rhel9@sha256:7c6cba78fb26addd9f056ec3f8b9376666db353451da37a4681a51d16f2ff76c_amd64 as a component of Red Hat Trusted Artifact Signer 1.3
  • registry.redhat.io/rhtas/trillian-logsigner-rhel9@sha256:83a8710df2032471c379f4cfbb3861ec9c4c7794f8b487483dbfb8cf57207750_amd64 as a component of Red Hat Trusted Artifact Signer 1.3
  • registry.redhat.io/rhtas/trillian-redis-rhel9@sha256:7261ee18d6fd8d42614e94ae3bdb77c5acad54f2b9898365bf8668c60a32589a_amd64 as a component of Red Hat Trusted Artifact Signer 1.3

✅ Remediation

Red Hat Trusted Artifact Signer simplifies cryptographic signing and verifying of software artifacts such as container images, binaries and source code changes. It is a self-managed on-premise deployment of the Sigstore project available at https://sigstore.dev Platform Engineers, Software Developers and Security Professionals may use RHTAS to ensure the integrity, transparency and assurance of their organization's software supply chain. For details on using the operator, refer to the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3 You can find the release notes for this version of Red Hat Trusted Artifact Signer at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3/html-single/release_notes/index Workaround: To mitigate this issue, avoid using the `glob` command-line interface with the `-c` or `--cmd` option when processing filenames from untrusted sources. If programmatic use of `glob` is necessary, ensure that filenames are thoroughly sanitized before being passed to commands executed with shell interpretation enabled. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (17)