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OpenAdvisories
Medium RHSA-2026:55180 1 CVE

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Published Aug 22, 2026 · Updated Sep 8, 2026

Ecosystem: Red Hat

Fixed packages 1

ReleasePackageFixed in
Red Hat · Hardened Images 1 hummingbird:1 helm3 0:3.21.4-0.1.hum1

Vulnerabilities 1

  • Medium 4.3
    CVE-2026-63308

    Helm Files.Lines Denial of Service via Empty Chart Files

    Helm through 4.2.3, fixed in commit ba6c9a2, contains a denial of service vulnerability in the Files.Lines template helper in pkg/engine/files.go that allows attackers to trigger an index out of range panic by including zero-length byte slices in chart files.…

    helm helm helm-3 helm-4 Azure Linux Wolfi

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-63308
  • article
    https://access.redhat.com/security/updates/classification/
  • article
    https://images.redhat.com/
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_55180.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2501801
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-63308
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-63308
  • article
    https://github.com/helm/helm/commit/ba6c9a29efa7bf9198dad6a5ec12b4fb30c96017
  • article
    https://github.com/helm/helm/issues/32279
  • article
    https://github.com/helm/helm/pull/32290
  • article
    https://www.vulncheck.com/advisories/chat2db-insecure-direct-object-reference-via-get-api-connection-datasource