{ "document": { "aggregate_severity": { "text": "Low" }, "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-2026-21965-els_os-tuxcare9_6esu.json" } ], "tracking": { "current_release_date": "2026-05-07T11:59:40Z", "generator": { "date": "2026-05-07T11:59:40Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-21965-ELS_OS-TUXCARE9.6ESU", "initial_release_date": "2026-01-20T22:15:00Z", "revision_history": [ { "date": "2026-01-20T22:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-03-02T15:05:18Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-03-14T09:49:41Z", "number": "3", "summary": "Update document" }, { "date": "2026-05-07T11:59:40Z", "number": "4", "summary": "Update document" } ], "status": "final", "version": "4" }, "title": "Security update on CVE-2026-21965" }, "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": [ { 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"mysql-server-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "relates_to_product_reference": "Rocky Linux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "mysql-errmsg-0:8.0.45-1.el9_6.tuxcare.els1.x86_64 as a component of Rocky Linux 9.6", "product_id": "Rocky Linux-9.6:mysql-errmsg-0:8.0.45-1.el9_6.tuxcare.els1.x86_64" }, "product_reference": "mysql-errmsg-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "relates_to_product_reference": "Rocky Linux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "mysql-test-0:8.0.45-1.el9_6.tuxcare.els1.x86_64 as a component of Rocky Linux 9.6", "product_id": "Rocky Linux-9.6:mysql-test-0:8.0.45-1.el9_6.tuxcare.els1.x86_64" }, "product_reference": "mysql-test-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "relates_to_product_reference": "Rocky Linux-9.6" }, { "category": "default_component_of", "full_product_name": { "name": "mysql-0:8.0.45-1.el9_6.tuxcare.els1.x86_64 as a component of Rocky Linux 9.6", "product_id": "Rocky Linux-9.6:mysql-0:8.0.45-1.el9_6.tuxcare.els1.x86_64" }, "product_reference": "mysql-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "relates_to_product_reference": "Rocky Linux-9.6" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-21965", "notes": [ { "category": "description", "text": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable Auth). Supported versions that are affected are 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L).", "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:mysql-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-common-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-common-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-devel-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-devel-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-errmsg-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-errmsg-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-libs-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-libs-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-server-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-server-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-test-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-test-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-common-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-common-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-devel-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-devel-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-errmsg-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-errmsg-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-libs-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-libs-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-server-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-server-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-test-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-test-0:8.0.45-1.el9_6.tuxcare.els1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-21965" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpujan2026.html", "url": "https://www.oracle.com/security-alerts/cpujan2026.html" } ], "release_date": "2026-01-20T22:15:00Z", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 2.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "version": "3.1" }, "products": [ "AlmaLinux-9.6:mysql-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-common-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-common-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-devel-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-devel-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-errmsg-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-errmsg-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-libs-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-libs-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-server-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-server-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-test-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-test-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-common-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-common-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-devel-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-devel-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-errmsg-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-errmsg-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-libs-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-libs-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-server-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-server-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-test-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-test-0:8.0.45-1.el9_6.tuxcare.els1.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Low" }, { "category": "impact", "details": "Not vulnerable: Oracle’s January 2026 advisory and NVD scope CVE‑2026‑21965 to MySQL Server 9.0.0–9.5.0 in the Server: Pluggable Auth component, and do not list any 8.0.x builds as affected. The deployed version is MySQL 8.0.43, which is outside the affected range, so the vulnerable pluggable‑authentication code path is not present in this deployment.", "product_ids": [ "AlmaLinux-9.6:mysql-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-common-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-common-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-devel-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-devel-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-errmsg-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-errmsg-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-libs-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-libs-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-server-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-server-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "AlmaLinux-9.6:mysql-test-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "AlmaLinux-9.6:mysql-test-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-common-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-common-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-devel-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-devel-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-errmsg-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-errmsg-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-libs-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-libs-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-server-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-server-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", "Rocky Linux-9.6:mysql-test-0:8.0.44-1.el9_6.tuxcare.els2.x86_64", "Rocky Linux-9.6:mysql-test-0:8.0.45-1.el9_6.tuxcare.els1.x86_64" ] } ] } ] }