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CVE-2026-79699

Podman: buildah: skopeo: containers/storage: malicious tar whiteout header allows replacement of extraction destination directory

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

A flaw was found in the containers/storage library. A crafted tar archive containing a malicious whiteout header (e.g. victim/.wh.) can cause the extraction destination directory to be replaced with an arbitrary file when processed by storage/pkg/archive.UnpackLayer, ApplyLayer, or ApplyUncompressedLayer.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • ansible-automation-platform-24/eda-controller-rhel8

    Version range not reported

  • ansible-automation-platform-25/eda-controller-rhel8

    Version range not reported

  • ansible-automation-platform-26/eda-controller-rhel9

    Version range not reported

  • ansible-automation-platform-27/eda-controller-rhel9

    Version range not reported

  • python3.11-podman

    Version range not reported

  • python3.12-podman

    Version range not reported

  • python3x-podman

    Version range not reported

  • python-podman

    Version range not reported

  • buildah

    Version range not reported

  • podman

    Version range not reported

  • skopeo

    Version range not reported

  • buildah

    Version range not reported

  • podman

    Version range not reported

  • skopeo

    Version range not reported

  • buildah

    Version range not reported

  • podman

    Version range not reported

  • python-podman

    Version range not reported

  • rhel9/buildah

    Version range not reported

  • rhel9/podman

    Version range not reported

  • rhel9/skopeo

    Version range not reported

  • skopeo

    Version range not reported

  • buildah

    Version range not reported

  • podman

    Version range not reported

  • skopeo

    Version range not reported

  • podman

    Version range not reported

  • skopeo

    Version range not reported

  • devspaces/udi-base-rhel10

    Version range not reported

  • devspaces/udi-base-rhel9

    Version range not reported

  • devspaces/udi-rhel9

    Version range not reported

  • container-native-virtualization/ocp-virt-validation-checkup-rhel9

    Version range not reported

  • quay/quay-builder-rhel8

    Version range not reported

  • quay/quay-builder-rhel9

    Version range not reported

References 2

access.redhat.com

bugzilla.redhat.com