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OpenAdvisories
None RHSA-2026:28036 1 CVE

Red Hat Security Advisory: crun security update

Published Jun 23, 2026 · Updated Oct 3, 2026

Ecosystem: Red Hat

Fixed packages 3

ReleasePackageFixed in
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::appstream crun 0:1.27-1.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::appstream crun-debuginfo 0:1.27-1.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::appstream crun-debugsource 0:1.27-1.el9_6

Vulnerabilities 1

  • None 0.0
    CVE-2026-30892

    Crun incorrectly parses `crun exec` option `-u`, leading to privilege escalation

    crun is an open source OCI Container Runtime fully written in C. In versions 1.19 through 1.26, the `crun exec` option `-u` (`--user`) is incorrectly parsed. The value `1` is interpreted as UID 0 and GID 0 when it should have been UID 1 and GID 0. The process…

    containers crun crun crun Debian Ubuntu Azure Linux Alpine

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2451576
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_28036.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-30892
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-30892
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-30892
  • article
    https://github.com/containers/crun/commit/1bd7f42446999b0e76bc3d575392e05c943b0b01
  • article
    https://github.com/containers/crun/releases/tag/1.27
  • article
    https://github.com/containers/crun/security/advisories/GHSA-4vg2-xjqj-7chj