Bug 2523408 (CVE-2026-79699) - CVE-2026-79699 podman: buildah: skopeo: containers/storage: Malicious tar whiteout header allows replacement of extraction destination directory
Summary: CVE-2026-79699 podman: buildah: skopeo: containers/storage: Malicious tar whi...
Keywords:
Status: NEW
Alias: CVE-2026-79699
Deadline: 2026-11-25
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2533890 2533891 2533892
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-25 12:27 UTC by OSIDB Bzimport
Modified: 2026-09-15 15:25 UTC (History)
30 users (show)

Fixed In Version:
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Environment:
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Description OSIDB Bzimport 2026-08-25 12:27:16 UTC 
Upstream (Podman team) reports Red Hat container tools are not directly vulnerable to this specific issue; affects external callers of the library API. PoC: Go test calling UnpackLayer with victim/.wh. whiteout entry removes victim directory. Patch available upstream, not yet released.
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