CVE-2026-44171

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{"affected": [{"affectedData": [{"product": "server", "vendor": "MariaDB", "versions": [{"status": "affected", "version": ">= 10.6.1, < 10.6.26"}, {"status": "affected", "version": ">= 10.11.1, < 10.11.17"}, {"status": "affected", "version": ">= 11.4.1, < 11.4.11"}, {"status": "affected", "version": ">= 11.8.1, < 11.8.7"}, {"status": "affected", "version": ">= 12.3.1, < 12.3.2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "matchCriteriaId": "18373B5D-2024-48F6-812A-B3E28D6E7F2D", "versionEndExcluding": "10.6.26", "versionStartIncluding": "10.6.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "matchCriteriaId": "94C3F42B-E2B4-4969-8925-78EE56F56FC9", "versionEndExcluding": "10.11.17", "versionStartIncluding": "10.11.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "matchCriteriaId": "DE5BBBEB-2714-4C1F-8662-23C932A72725", "versionEndExcluding": "11.4.11", "versionStartIncluding": "11.4.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "matchCriteriaId": "7C894B8F-EBFD-4835-8245-CDC7230CBC0D", "versionEndExcluding": "11.8.7", "versionStartIncluding": "11.8.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:mariadb:mariadb:12.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "57DFA226-8D97-4A19-8A62-426042F5416D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.26, 10.11.1 to before 10.11.17, 11.4.1 to before 11.4.11, 11.8.1 to before 11.8.7, and 12.3.1, mbstream did not check for /../ in the path when unpacking the archive. A proper backup can never contain such paths, but a specially crafted archive could have caused mbstream to create files outside of the target-dir path. This issue has been patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2."}, {"lang": "es", "value": "El servidor MariaDB es una bifurcaci\u00f3n del servidor MySQL desarrollada por la comunidad. Desde las versiones 10.6.1 hasta antes de la 10.6.26, 10.11.1 hasta antes de la 10.11.17, 11.4.1 hasta antes de la 11.4.11, 11.8.1 hasta antes de la 11.8.7, y 12.3.1, mbstream no verificaba la presencia de /.. / en la ruta al descomprimir el archivo. Una copia de seguridad adecuada nunca puede contener tales rutas, pero un archivo especialmente dise\u00f1ado podr\u00eda haber provocado que mbstream creara archivos fuera de la ruta target-dir. Este problema ha sido parcheado en las versiones 10.6.26, 10.11.17, 11.4.11, 11.8.7 y 12.3.2."}], "id": "CVE-2026-44171", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.3, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-44171", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-12T18:06:39.324744Z", "version": "2.0.3"}}]}, "published": "2026-06-12T18:16:33.983", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/MariaDB/server/security/advisories/GHSA-9pjh-5hhw-65v9"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://jira.mariadb.org/browse/MDEV-39408"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "MariaDB: mbstream: MariaDB mbstream: Unauthorized file creation via path traversal", "id": "2488453", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2488453"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:H", "status": "draft"}, "cwe": "CWE-22", "details": ["MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.26, 10.11.1 to before 10.11.17, 11.4.1 to before 11.4.11, 11.8.1 to before 11.8.7, and 12.3.1, mbstream did not check for /../ in the path when unpacking the archive. A proper backup can never contain such paths, but a specially crafted archive could have caused mbstream to create files outside of the target-dir path. This issue has been patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2.", "A flaw was found in MariaDB's mbstream utility. This vulnerability allows a highly privileged local attacker, who can provide a specially crafted archive, to create files outside of the intended target directory. This is due to mbstream not properly validating paths containing directory traversal sequences (e.g., \"/../\") during archive unpacking. Successful exploitation could lead to unauthorized file creation, potentially impacting system integrity or availability."], "name": "CVE-2026-44171", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Under investigation", "package_name": "mariadb10.11", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Under investigation", "package_name": "mariadb11.8", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "mariadb", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "mariadb:10.11/mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "mariadb:11.8/mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Under investigation", "package_name": "mariadb10.11", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Under investigation", "package_name": "mariadb11.8", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-06-12T17:33:27Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-44171\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-44171\nhttps://github.com/MariaDB/server/security/advisories/GHSA-9pjh-5hhw-65v9\nhttps://jira.mariadb.org/browse/MDEV-39408"], "threat_severity": "Moderate"}

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