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OpenAdvisories
Medium RHSA-2026:54855 1 CVE

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Published Oct 20, 2026 · Updated Oct 20, 2026

Ecosystem: Red Hat

Fixed packages 3

ReleasePackageFixed in
Red Hat · Hardened Images 1 hummingbird:1 crun 0:1.28-2.hum1
Red Hat · Hardened Images 1 hummingbird:1 crun-krun 0:1.28-2.hum1
Red Hat · Hardened Images 1 hummingbird:1 crun-wasm 0:1.28-2.hum1

Vulnerabilities 1

  • Medium 5.1
    CVE-2026-47766

    crun follows rootfs /dev symlink while creating default devices

    crun is an open source OCI Container Runtime fully written in C. Prior to version 1.28, crun's default device setup opens the container rootfs `/dev` directory without `O_NOFOLLOW`. If an OCI bundle contains `rootfs/dev` as a symlink and the bundle configurat…

    containers crun crun crun Debian Ubuntu Azure Linux Alpine

References

  • article
    https://images.redhat.com/
  • report
    https://access.redhat.com/security/cve/CVE-2026-47766
  • article
    https://access.redhat.com/security/updates/classification/
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_54855.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2516081
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-47766
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-47766
  • article
    https://github.com/containers/crun/releases/tag/1.28
  • article
    https://github.com/containers/crun/security/advisories/GHSA-7vwr-4279-7gq5