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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."}], "id": "CVE-2026-79699", "lastModified": "2026-09-17T19:17:03.080", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 2.5, "source": "[email protected]", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-79699", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-17T18:29:49.557906Z", "version": "2.0.3"}}]}, "published": "2026-09-15T17:17:27.083", "references": [{"source": "[email protected]", "url": "https://access.redhat.com/security/cve/CVE-2026-79699"}, {"source": "[email protected]", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2523408"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "[email protected]", "type": "Secondary"}]}

{"bugzilla": {"description": "podman: buildah: skopeo: containers/storage: Malicious tar whiteout header allows replacement of extraction destination directory", "id": "2523408", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2523408"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L", "status": "draft"}, "cwe": "CWE-59", "details": ["A flaw was found in the containers/storage library. 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Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Fix deferred", "package_name": "devspaces/udi-base-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Fix deferred", "package_name": "devspaces/udi-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Fix deferred", "package_name": "container-native-virtualization/ocp-virt-validation-checkup-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Fix deferred", "package_name": "quay/quay-builder-rhel8", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Fix deferred", "package_name": "quay/quay-builder-rhel9", "product_name": "Red Hat Quay 3"}], "public_date": "2026-09-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-79699\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-79699"], "statement": "Red Hat container tools are not directly affected by this flaw, which primarily impacts external applications that directly call the containers/storage library API. Successful exploitation requires processing a specially crafted tar archive containing a malicious whiteout header, leading to the replacement of an extraction destination directory.", "threat_severity": "Low"}

{"created": "2026-09-16T04:15:18.126335+00:00", "updated": "2026-09-17T13:15:13.126586+00:00", "vendors": []}