{ "document": { "aggregate_severity": { "text": "Medium" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/tuxcare9.6esu/vex/2026/cve-2026-23745-els_os-tuxcare9_6esu.json" } ], "tracking": { "current_release_date": "2026-03-02T10:31:37Z", "generator": { "date": "2026-03-02T10:31:37Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-23745-ELS_OS-TUXCARE9.6ESU", "initial_release_date": "2026-01-16T22:16:00Z", "revision_history": [ { "date": "2026-01-16T22:16:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-02-25T10:07:49Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-03-02T10:31:37Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "3" }, "title": "Security update on CVE-2026-23745" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "AlmaLinux 9.6", "product": { "name": "AlmaLinux 9.6", "product_id": "AlmaLinux-9.6", "product_identification_helper": { "cpe": "cpe:2.3:o:almalinux:almalinux:9.6:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "AlmaLinux" } ], "category": "vendor", "name": "AlmaLinux OS Foundation" }, { "branches": [ { "branches": [ { "category": "product_name", "name": "Rocky Linux 9.6", "product": { "name": "Rocky Linux 9.6", "product_id": "Rocky Linux-9.6", "product_identification_helper": { "cpe": "cpe:2.3:o:resf:rocky_linux:9.6:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Rocky Linux" } ], "category": "vendor", "name": "Rocky Linux" }, { "branches": [ { "branches": [ { "category": "product_version", "name": "tar-2:1.34-7.el9.tuxcare.els1.x86_64", "product": { "name": "tar-2:1.34-7.el9.tuxcare.els1.x86_64", "product_id": "tar-2:1.34-7.el9.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/tar@1.34-7.el9.tuxcare.els1?arch=x86_64&epoch=2" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "tar-2:1.34-7.el9.tuxcare.els1.x86_64 as a component of AlmaLinux 9.6", "product_id": "AlmaLinux-9.6:tar-2:1.34-7.el9.tuxcare.els1.x86_64" }, "product_reference": "tar-2:1.34-7.el9.tuxcare.els1.x86_64", "relates_to_product_reference": "AlmaLinux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "tar-2:1.34-7.el9.tuxcare.els1.x86_64 as a component of Rocky Linux 9.6", "product_id": "Rocky Linux-9.6:tar-2:1.34-7.el9.tuxcare.els1.x86_64" }, "product_reference": "tar-2:1.34-7.el9.tuxcare.els1.x86_64", "relates_to_product_reference": "Rocky Linux-9.6" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-23745", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "description", "text": "node-tar is a Tar for Node.js. The node-tar library (<= 7.5.2) fails to sanitize the linkpath of Link (hardlink) and SymbolicLink entries when preservePaths is false (the default secure behavior). This allows malicious archives to bypass the extraction root restriction, leading to Arbitrary File Overwrite via hardlinks and Symlink Poisoning via absolute symlink targets. This vulnerability is fixed in 7.5.3.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" }, { "category": "other", "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.", "title": "Statement" } ], "product_status": { "known_not_affected": [ "AlmaLinux-9.6:tar-2:1.34-7.el9.tuxcare.els1.x86_64", "Rocky Linux-9.6:tar-2:1.34-7.el9.tuxcare.els1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-23745" }, { "category": "external", "summary": "https://github.com/isaacs/node-tar/commit/340eb285b6d986e91969a1170d7fe9b0face405e", "url": "https://github.com/isaacs/node-tar/commit/340eb285b6d986e91969a1170d7fe9b0face405e" }, { "category": "external", "summary": "https://github.com/isaacs/node-tar/security/advisories/GHSA-8qq5-rm4j-mr97", "url": "https://github.com/isaacs/node-tar/security/advisories/GHSA-8qq5-rm4j-mr97" } ], "release_date": "2026-01-16T22:16:00Z", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N", "version": "3.1" }, "products": [ "AlmaLinux-9.6:tar-2:1.34-7.el9.tuxcare.els1.x86_64", "Rocky Linux-9.6:tar-2:1.34-7.el9.tuxcare.els1.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" }, { "category": "impact", "details": "moderate", "product_ids": [ "AlmaLinux-9.6:tar-2:1.34-7.el9.tuxcare.els1.x86_64", "Rocky Linux-9.6:tar-2:1.34-7.el9.tuxcare.els1.x86_64" ] } ] } ] }