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{"bugzilla": {"description": "tar: Node-tar: Denial of Service via malformed tar archive header", "id": "2498116", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2498116"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-606", "details": ["node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, tar.replace accepts a checksum-valid tar header with a negative base-256 encoded entry size, causing the archive scanner to make no progress while repeatedly parsing the same header. This issue is fixed in version 7.5.18.", "A flaw was found in node-tar, a tar archive manipulation library for Node.js. A remote attacker could exploit this vulnerability by providing a specially crafted tar archive with a negative entry size in its header. This malformed header causes the archive scanner to enter an infinite loop, repeatedly parsing the same header and preventing further processing. This can lead to a denial of service (DoS) condition, making the affected system or application unresponsive."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-59874", "package_state": [{"cpe": "cpe:/a:redhat:confidential_compute_attestation:1", "fix_state": "Affected", "package_name": "openshift-sandboxed-containers/osc-pccs", "product_name": "Confidential Compute Attestation"}, {"cpe": "cpe:/a:redhat:cryostat:4", "fix_state": "Affected", "package_name": "cryostat-openshift-console-plugin-npm", "product_name": "Cryostat 4"}, {"cpe": "cpe:/a:redhat:cryostat:4", "fix_state": "Affected", "package_name": "grafana-infinity-datasource-npm", "product_name": "Cryostat 4"}, {"cpe": "cpe:/a:redhat:cryostat:4", "fix_state": "Affected", 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Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Affected", "package_name": "devspaces/dashboard-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Affected", "package_name": "devspaces/openvsx-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Affected", "package_name": "devspaces/udi-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "satellite/iop-remediations-rhel9", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Affected", "package_name": "tar", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:trusted_artifact_signer:1", "fix_state": "Affected", "package_name": "rhtas/rekor-search-ui-rhel9", "product_name": "Red Hat Trusted Artifact Signer"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Affected", "package_name": "ansible-automation-platform/automation-portal", "product_name": "Self-service automation portal 2"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Affected", "package_name": "ansible-automation-platform/bootc-automation-portal-rhel9", "product_name": "Self-service automation portal 2"}], "public_date": "2026-07-08T15:23:47Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-59874\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-59874\nhttps://github.com/isaacs/node-tar/commit/9e78bf058b2c22dd4d52e00d8922d5c06fc2f7b5\nhttps://github.com/isaacs/node-tar/releases/tag/v7.5.18\nhttps://github.com/isaacs/node-tar/security/advisories/GHSA-8x88-c5mf-7j5w"], "statement": "This Important denial of service flaw in node-tar affects Red Hat products that process untrusted tar archives. A remote attacker can provide a specially crafted archive with a malformed header, leading to an infinite loop during parsing and causing the application to become unresponsive. This can impact the availability of services relying on node-tar for archive manipulation.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.5.18)"}}], "enrichment": {"confidence": 80.0, "confidence_source": "matching", "scores": [{"score": 80.0, "source": "matching"}]}, "original": {"product": "node-tar", "source": "cna", "vendor": "isaacs"}, "product": "tar", "vendor": "isaacs"}], "created": "2026-07-09T09:45:04.556646+00:00", "updated": "2026-07-16T21:45:06.889920+00:00", "vendors": ["isaacs", "isaacs$PRODUCT$tar"]}