{ "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/2023/cve-2023-21877-els_os-tuxcare9_6esu.json" } ], "tracking": { "current_release_date": "2026-04-23T11:35:29Z", "generator": { "date": "2026-04-23T11:35:29Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2023-21877-ELS_OS-TUXCARE9.6ESU", "initial_release_date": "2023-01-18T00:15:00Z", "revision_history": [ { "date": "2023-01-18T00:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-04-17T12:35:23Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-04-23T11:35:29Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "3" }, "title": "Security update on CVE-2023-21877" }, "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": "mysql-devel-0:8.0.45-1.el9_6.tuxcare.els1.x86_64", 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"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-2023-21877", "notes": [ { "category": "description", "text": "Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.31 and prior. 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 hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).", "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", 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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-2023-21877" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpujan2023.html", "url": "https://www.oracle.com/security-alerts/cpujan2023.html" } ], "release_date": "2023-01-18T00:15:00Z", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H", "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", 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