CVE-2026-79699
Podman: buildah: skopeo: containers/storage: malicious tar whiteout header allows replacement of extraction destination directory
- State
- Published
- Severity
- 4.4 Medium
- Published
- Sep 15, 2026
- Updated
- Nov 1, 2026
- Reserved
- Aug 25, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.4 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L | redhat |
Weaknesses
- CWE-59 Improper Link Resolution Before File Access
Affected Products
| Product | Versions |
|---|---|
Red Hat Ansible Automation Platform 2Red Hat | |
Red Hat Ansible Automation Platform 2Red Hat | |
Red Hat Ansible Automation Platform 2Red Hat | |
Red Hat Ansible Automation Platform 2Red Hat | |
Red Hat Ansible Automation Platform 2Red Hat | |
Red Hat Ansible Automation Platform 2Red Hat | |
Red Hat Ansible Automation Platform 2Red Hat | |
Red Hat Ansible Automation Platform 2Red Hat | |
Red Hat Enterprise Linux 10Red Hat | |
Red Hat Enterprise Linux 10Red Hat | |
Red Hat Enterprise Linux 10Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat Hardened ImagesRed Hat | |
Red Hat Hardened ImagesRed Hat | |
Red Hat Hardened ImagesRed Hat | |
Red Hat OpenShift Container Platform 4Red Hat | |
Red Hat OpenShift Container Platform 4Red Hat | |
Red Hat OpenShift Dev SpacesRed Hat | |
Red Hat OpenShift Dev SpacesRed Hat | |
Red Hat OpenShift Dev SpacesRed Hat | |
Red Hat OpenShift Virtualization 4Red Hat | |
Red Hat Quay 3Red Hat | |
Red Hat Quay 3Red Hat |
References
- https://access.redhat.com/security/cve/CVE-2026-79699vdb-entry
- RHBZ#2523408issue-tracking
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