{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-21949", "tracking": { "current_release_date": "2026-09-29T23:51:47.809001Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-21949", "initial_release_date": "2026-01-20T22:27:15.624062Z", "revision_history": [ { "date": "2026-01-20T22:27:15.624062Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1)." }, { "date": "2026-01-20T22:27:18.823400Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-01-20T22:39:47.394288Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (1)." }, { "date": "2026-01-20T22:39:48.432839Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-01-21T00:28:58.954958Z", "number": "5", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Product Remediations created (1).| References created (2)." }, { "date": "2026-01-21T00:29:10.335797Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-01-21T10:06:40.457923Z", "number": "7", "summary": "Source connected.| CVE status created. (valid)| Products connected (5).| References created (3)." }, { "date": "2026-01-21T10:06:51.636366Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-01-21T10:14:00.900938Z", "number": "9", "summary": "Source connected.| CVE status created. (valid)" }, { "date": "2026-01-21T12:44:37.934332Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| Description created for source." }, { "date": "2026-01-21T14:58:14.239843Z", "number": "11", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-01-21T14:58:29.798934Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-01-21T15:39:20.888625Z", "number": "13", "summary": "CWES updated (1).| Unknown change." }, { "date": "2026-01-21T16:25:25.787616Z", "number": "14", "summary": "CWES updated (1)." }, { "date": "2026-01-21T16:25:28.737526Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-01-24T00:25:27.586203Z", "number": "16", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Product Threats created (1).| Vendor_assessment created." }, { "date": "2026-01-24T00:25:35.890094Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-01-29T15:26:27.459610Z", "number": "18", "summary": "Products created (1).| Product Identifiers created (1)." }, { "date": "2026-01-29T15:26:34.078526Z", "number": "19", "summary": "NCSC Score updated." }, { "date": "2026-01-31T00:20:02.300494Z", "number": "20", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (45).| References created (1)." }, { "date": "2026-01-31T00:20:06.570711Z", "number": "21", "summary": "NCSC Score updated." }, { "date": "2026-01-31T18:25:04.010134Z", "number": "22", "summary": "Description removed for source." }, { "date": "2026-02-03T10:36:28.742880Z", "number": "23", "summary": "Products connected (1).| References created (1)." }, { "date": "2026-02-03T10:36:32.543541Z", "number": "24", "summary": "NCSC Score updated." }, { "date": "2026-02-04T10:51:42.817094Z", "number": "25", "summary": "References created (1)." }, { "date": "2026-02-04T10:51:44.940352Z", "number": "26", "summary": "NCSC Score updated." }, { "date": "2026-02-23T03:27:35.039261Z", "number": "27", "summary": "NCSC Score updated." }, { "date": "2026-02-28T20:14:24.031151Z", "number": "28", "summary": "Products connected (1)." }, { "date": "2026-02-28T20:14:31.591519Z", "number": "29", "summary": "NCSC Score updated." }, { "date": "2026-03-01T11:28:42.837937Z", "number": "30", "summary": "Products removed (1)." }, { "date": "2026-03-10T10:09:17.443689Z", "number": "31", "summary": "Products connected (1).| References created (1)." }, { "date": "2026-03-10T10:09:19.883688Z", "number": "32", "summary": "NCSC Score updated." }, { "date": "2026-03-11T10:21:58.447981Z", "number": "33", "summary": "Products connected (1).| References created (1)." }, { "date": "2026-03-11T10:22:01.978234Z", "number": "34", "summary": "NCSC Score updated." }, { "date": "2026-03-18T09:28:35.359389Z", "number": "35", "summary": "Products connected (1).| References created (2)." }, { "date": "2026-03-18T09:28:38.081234Z", "number": "36", "summary": "NCSC Score updated." }, { "date": "2026-03-19T09:44:45.758049Z", "number": "37", "summary": "References created (1)." }, { "date": "2026-03-19T09:44:48.603757Z", "number": "38", "summary": "NCSC Score updated." }, { "date": "2026-03-20T10:02:10.109516Z", "number": "39", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T10:02:13.305286Z", "number": "40", "summary": "NCSC Score updated." }, { "date": "2026-03-20T19:18:21.037265Z", "number": "41", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Product Identifiers created (1).| References created (1).| CWES updated (1)." }, { "date": "2026-03-20T19:18:23.743007Z", "number": "42", "summary": "NCSC Score updated." }, { "date": "2026-03-24T21:55:53.678335Z", "number": "43", "summary": "References created (1)." }, { "date": "2026-03-24T21:55:56.691081Z", "number": "44", "summary": "NCSC Score updated." }, { "date": "2026-03-25T11:22:43.912650Z", "number": "45", "summary": "References created (3)." }, { "date": "2026-03-25T11:22:47.826327Z", "number": "46", "summary": "NCSC Score updated." }, { "date": "2026-03-26T12:02:25.389887Z", "number": "47", "summary": "References created (1)." }, { "date": "2026-03-26T12:02:27.663830Z", "number": "48", "summary": "NCSC Score updated." }, { "date": "2026-03-26T12:30:38.278488Z", "number": "49", "summary": "Description created for source.| Product Remediations created (1)." }, { "date": "2026-03-27T11:22:38.982766Z", "number": "50", "summary": "References created (2)." }, { "date": "2026-03-27T11:22:40.854872Z", "number": "51", "summary": "NCSC Score updated." }, { "date": "2026-03-27T15:17:23.629487Z", "number": "52", "summary": "NCSC Score updated." }, { "date": "2026-04-02T12:11:44.980090Z", "number": "53", "summary": "References created (2)." }, { "date": "2026-04-02T12:11:47.576417Z", "number": "54", "summary": "NCSC Score updated." }, { "date": "2026-04-07T11:54:32.252941Z", "number": "55", "summary": "References created (4)." }, { "date": "2026-04-07T11:54:34.977186Z", "number": "56", "summary": "NCSC Score updated." }, { "date": "2026-04-14T03:04:16.485307Z", "number": "57", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-04-14T03:04:18.701753Z", "number": "58", "summary": "NCSC Score updated." }, { "date": "2026-04-28T13:21:14.013679Z", "number": "59", "summary": "Description removed for source." }, { "date": "2026-04-28T13:21:15.844175Z", "number": "60", "summary": "NCSC Score updated." }, { "date": "2026-05-22T08:42:20.093577Z", "number": "61", "summary": "References created (1)." }, { "date": "2026-05-22T08:42:24.624762Z", "number": "62", "summary": "NCSC Score updated." }, { "date": "2026-06-10T17:05:27.790103Z", "number": "63", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-06-10T17:05:29.737700Z", "number": "64", "summary": "NCSC Score updated." }, { "date": "2026-06-14T22:27:16.711994Z", "number": "65", "summary": "NCSC Score updated." }, { "date": "2026-06-15T17:48:14.065796Z", "number": "66", "summary": "EPSS updated." }, { "date": "2026-06-15T17:48:16.524346Z", "number": "67", "summary": "NCSC Score updated." }, { "date": "2026-07-11T14:02:28.245483Z", "number": "68", "summary": "Description removed for source.| Products removed (45).| References created (2)." }, { "date": "2026-07-11T14:02:36.187959Z", "number": "69", "summary": "NCSC Score updated." }, { "date": "2026-07-15T09:10:29.082384Z", "number": "70", "summary": "Description created for source." }, { "date": "2026-07-15T09:10:38.281541Z", "number": "71", "summary": "NCSC Score updated." }, { "date": "2026-07-25T15:12:33.282363Z", "number": "72", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-07-25T15:12:57.701614Z", "number": "73", "summary": "NCSC Score updated." }, { "date": "2026-09-02T10:41:24.159489Z", "number": "74", "summary": "EPSS updated." }, { "date": "2026-09-02T23:48:34.125012Z", "number": "75", "summary": "NCSC Score updated." }, { "date": "2026-09-03T14:32:53.225642Z", "number": "76", "summary": "EPSS updated." }, { "date": "2026-09-03T18:56:24.500242Z", "number": "77", "summary": "EPSS updated." }, { "date": "2026-09-04T15:42:38.773378Z", "number": "78", "summary": "EPSS updated." }, { "date": "2026-09-05T04:12:05.439972Z", "number": "79", "summary": "NCSC Score updated." }, { "date": "2026-09-05T15:40:35.583071Z", "number": "80", "summary": "EPSS updated." }, { "date": "2026-09-06T15:41:58.303316Z", "number": "81", "summary": "EPSS updated." }, { "date": "2026-09-07T15:43:00.407162Z", "number": "82", "summary": "EPSS updated." }, { "date": "2026-09-09T07:42:15.445338Z", "number": "83", "summary": "EPSS updated." }, { "date": "2026-09-09T15:52:55.500300Z", "number": "84", "summary": "EPSS updated." }, { "date": "2026-09-10T06:52:27.895103Z", "number": "85", "summary": "NCSC Score updated." }, { "date": "2026-09-29T16:04:32.831045Z", "number": "86", "summary": "EPSS created.| Unknown change." }, { "date": "2026-09-29T18:40:13.146900Z", "number": "87", "summary": "NCSC Score updated." } ], "status": "interim", "version": "87" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<=7.6.36", "product": { "name": "vers:unknown/<=7.6.36", "product_id": "CSAFPID-5452605" } }, { "category": "product_version_range", "name": "vers:unknown/<=8.0.45", "product": { "name": "vers:unknown/<=8.0.45", "product_id": "CSAFPID-5452606" } }, { "category": "product_version_range", "name": "vers:unknown/<=8.4.7", "product": { "name": "vers:unknown/<=8.4.7", "product_id": "CSAFPID-5452603" } }, { "category": "product_version_range", "name": "vers:unknown/<=9.4.0", "product": { "name": "vers:unknown/<=9.4.0", "product_id": "CSAFPID-5129845" } }, { "category": "product_version_range", "name": "vers:unknown/<=9.5.0", "product": { "name": "vers:unknown/<=9.5.0", "product_id": "CSAFPID-5452604" } } ], "category": "product_name", "name": "MySQL" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:oracle/>=9.0.0|<=9.5.0", "product": { "name": "vers:oracle/>=9.0.0|<=9.5.0", "product_id": "CSAFPID-5450864", "product_identification_helper": { "cpe": "cpe:2.3:a:oracle:mysql_server:9.0.0-9.5.0:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "MySQL Server" } ], "category": "product_family", "name": "Oracle MySQL" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/9.0.0|<=9.5.0", "product": { "name": "vers:unknown/9.0.0|<=9.5.0", "product_id": "CSAFPID-5450446" } } ], "category": "product_name", "name": "MySQL Server" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1317177", "product_identification_helper": { "cpe": "cpe:/o:oracle:linux:-" } } } ], "category": "product_name", "name": "Oracle Linux" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=9.0.0|<9.5.0", "product": { "name": "vers:unknown/>=9.0.0|<9.5.0", "product_id": "CSAFPID-9445202", "product_identification_helper": { "cpe": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/>=9.0.0|<=9.5.0", "product": { "name": "vers:unknown/>=9.0.0|<=9.5.0", "product_id": "CSAFPID-5490570", "product_identification_helper": { "cpe": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "mysql_server" } ], "category": "vendor", "name": "Oracle" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:netapp/>=9.0.0|<=9.5.0", "product": { "name": "vers:netapp/>=9.0.0|<=9.5.0", "product_id": "CSAFPID-5461618" } } ], "category": "product_name", "name": "MySQL Server" } ], "category": "vendor", "name": "NetApp" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1330300", "product_identification_helper": { "cpe": "cpe:/o:resf:rocky_linux:-" } } } ], "category": "product_name", "name": "RESF Rocky Linux" } ], "category": "vendor", "name": "RESF" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1317175", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:-" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1330299", "product_identification_helper": { "cpe": "cpe:/o:canonical:ubuntu_linux:-" } } } ], "category": "product_name", "name": "Ubuntu Linux" } ], "category": "vendor", "name": "Ubuntu" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-21949", "notes": [ { "category": "description", "text": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.0.0-9.5.0. Easily exploitable vulnerability allows low 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. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-21949" }, { "category": "description", "text": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.0.0-9.5.0. Easily exploitable vulnerability allows low 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. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).", "title": "oracle - https://www.oracle.com/docs/tech/security-alerts/cpujan2026csaf.json" }, { "category": "description", "text": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.0.0-9.5.0. Easily exploitable vulnerability allows low 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. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-21949" }, { "category": "description", "text": "MySQL versions 9.0.0 through 9.5.0 are susceptible to a vulnerability that could allow both high and low privileged attackers with network access via multiple protocols to compromise MySQL Server.", "title": "netapp - https://security.netapp.com/advisory/ntap-20260123-0010" }, { "category": "description", "text": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.0.0-9.5.0. Easily exploitable vulnerability allows low 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. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-21949.json?alt=media" }, { "category": "description", "text": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.0.0-9.5.0. Easily exploitable vulnerability allows low 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. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-21949" }, { "category": "other", "text": "0.00368", "title": "EPSS" }, { "category": "other", "text": "7.6", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Certbundde, There is product_remediation data available from source Oracle, There is product data available from source Oracle, Is related to (a version of) product Mysql Server, VENDOR FIX as product remediation category, Is related to a product by vendor Netapp", "title": "NCSC Score top increasing factors" }, { "category": "details", "text": "Severity: 2\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-5450864", "CSAFPID-5461618", "CSAFPID-5490570", "CSAFPID-1330299", "CSAFPID-1317175", "CSAFPID-1317177", "CSAFPID-1330300", "CSAFPID-5450446", "CSAFPID-9445202" ], "last_affected": [ "CSAFPID-5129845", "CSAFPID-5452603", "CSAFPID-5452604", "CSAFPID-5452605", "CSAFPID-5452606" ] }, "references": [ { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21949" }, { "category": "external", "summary": "Source - oracle", "url": "https://www.oracle.com/docs/tech/security-alerts/cpujan2026csaf.json" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0168.json" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0032" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-21949" }, { "category": "external", "summary": "Source - netapp", "url": "https://security.netapp.com/advisory/ntap-20260123-0010" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-21949.json?alt=media" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-21949" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-21949" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-21949" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; oracle; osv", "url": "https://www.oracle.com/security-alerts/cpujan2026.html" }, { "category": "external", "summary": "Reference - oracle", "url": "https://www.oracle.com/docs/tech/security-alerts/cpujan2026csaf.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "http://linux.oracle.com/errata/ELSA-2026-5580.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "http://linux.oracle.com/errata/ELSA-2026-5640.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://access.redhat.com/errata/RHSA-2026:4162" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://access.redhat.com/errata/RHSA-2026:4828" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://access.redhat.com/errata/RHSA-2026:5580" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://access.redhat.com/errata/RHSA-2026:5640" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://access.redhat.com/errata/RHSA-2026:6391" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://access.redhat.com/errata/RHSA-2026:6435" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://errata.build.resf.org/RLSA-2026:4162" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://errata.build.resf.org/RLSA-2026:4828" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://errata.build.resf.org/RLSA-2026:5580" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://errata.build.resf.org/RLSA-2026:5640" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://errata.build.resf.org/RLSA-2026:6391" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://errata.build.resf.org/RLSA-2026:6435" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://linux.oracle.com/errata/ELSA-2026-4162.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://linux.oracle.com/errata/ELSA-2026-4828.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://linux.oracle.com/errata/ELSA-2026-5580.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://linux.oracle.com/errata/ELSA-2026-6391.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://linux.oracle.com/errata/ELSA-2026-6435.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://ubuntu.com/security/notices/USN-7994-1" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://ubuntu.com/security/notices/USN-8006-1" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0168.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0168" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.oracle.com/security-alerts/cpujan2026.html#AppendixMSQL" }, { "category": "external", "summary": "Reference - osv", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21949.json" }, { "category": "external", "summary": "Reference - osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21949" } ], "remediations": [ { "category": "vendor_fix", "details": "Oracle customers with valid support contracts", "product_ids": [ "CSAFPID-5450864" ], "url": "https://support.oracle.com/rs?type=doc&id=CPU27" }, { "category": "none_available", "details": "No fix or other remediation is available.", "product_ids": [ "CSAFPID-5461618" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-1317175", "CSAFPID-1317177", "CSAFPID-1330299", "CSAFPID-1330300", "CSAFPID-5129845", "CSAFPID-5450446", "CSAFPID-5450864", "CSAFPID-5452603", "CSAFPID-5452604", "CSAFPID-5452605", "CSAFPID-5452606", "CSAFPID-5461618", "CSAFPID-5490570", "CSAFPID-9445202" ] } ], "threats": [ { "category": "impact", "details": "Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) or a partial denial of service (partial DOS) of MySQL Server.", "product_ids": [ "CSAFPID-5461618" ] } ], "title": "CVE-2026-21949" } ] }