Bug 2523419 (CVE-2026-79705) - CVE-2026-79705 podman: buildah: buildah/copier: Directory escape via crafted tar symlinks when used outside Buildah by non-root callers
Summary: CVE-2026-79705 podman: buildah: buildah/copier: Directory escape via crafted ...
Keywords:
Status: NEW
Alias: CVE-2026-79705
Deadline: 2026-11-25
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2533986 2533987
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-25 12:54 UTC by OSIDB Bzimport
Modified: 2026-09-15 16:25 UTC (History)
30 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2026-08-25 12:54:32 UTC 
Related to CVE-2025-11395 embargo family. PSIRTSUPT-21911. Confirmed vector: macOS Podman remote client performing podman cp against a malicious podman system service server serving crafted tar with symlinks. Other vectors possible but unconfirmed. Patch available, not yet released.
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