CVE-2026-107821

Source
https://cve.org/CVERecord?id=CVE-2026-107821
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-107821.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-107821
Aliases
Downstream
BELL (1)
DEBIAN (1)
ECHO (1)
MINI (6)
RHSA (2)
ROOT (2)
UBUNTU (1)
Published
2026-10-09T17:27:16Z
Modified
2026-10-22T16:09:13Z
Severity
  • 8.0 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
MariaDB: insufficient validation of binary frm data when opening a table
Details

MariaDB server is a community developed fork of MySQL server. From 10.6.1 until 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2, MariaDB insufficiently validated counts, offsets, lengths, and field boundaries in FRM metadata while opening binary FRM files. An attacker able to place a crafted FRM file in the data directory could trigger out-of-bounds reads or writes, crash the server, or potentially execute code. This issue is fixed in versions 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2.

Database specific
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-1285"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107821.json"
}
References

Affected packages

Git / github.com/mariadb/server

Affected ranges

Type
GIT
Repo
https://github.com/mariadb/server
Events
Database specific
Show details
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "10.6.1"
                },
                {
                    "fixed": "10.6.28"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "10.11.1"
                },
                {
                    "fixed": "10.11.19"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "11.4.1"
                },
                {
                    "fixed": "11.4.13"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "11.8.1"
                },
                {
                    "fixed": "11.8.9"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "12.3.1"
                },
                {
                    "fixed": "12.3.3"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "13.0.1"
                },
                {
                    "fixed": "13.0.2"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "range": [
                {
                    "fixed": "3b1c2e58abab5571bec4ff52773ddc75b1738da9"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "mariadb-10.11.19",
            "range": [
                {
                    "fixed": "93e051860a9c7e87ee8cee6ed38b640d491f7170"
                }
            ],
            "source": "REFERENCES_TAG"
        },
        {
            "original_tag": "mariadb-10.6.28",
            "range": [
                {
                    "fixed": "210ab6edf47fa73f3b77e974ed2e9357ccdd051c"
                }
            ],
            "source": "REFERENCES_TAG"
        },
        {
            "original_tag": "mariadb-11.4.13",
            "range": [
                {
                    "fixed": "170b1d70737be6f134448f51713cdc1ae215b420"
                }
            ],
            "source": "REFERENCES_TAG"
        },
        {
            "original_tag": "mariadb-11.8.9",
            "range": [
                {
                    "fixed": "bf9193a939f515e95dd8def1a5468088c91cede6"
                }
            ],
            "source": "REFERENCES_TAG"
        },
        {
            "original_tag": "mariadb-12.3.3",
            "range": [
                {
                    "fixed": "83e909fc2a0dbc394b4b683fb3fa2d7dcf26cc5e"
                }
            ],
            "source": "REFERENCES_TAG"
        },
        {
            "original_tag": "mariadb-13.0.2",
            "range": [
                {
                    "fixed": "620a4b5624222048fece7fe1789978ae0675cae2"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

mariadb-10.*
mariadb-10.6.1
mariadb-10.6.10
mariadb-10.6.11
mariadb-10.6.12
mariadb-10.6.13
mariadb-10.6.14
mariadb-10.6.16
mariadb-10.6.17
mariadb-10.6.18
mariadb-10.6.19
mariadb-10.6.2
mariadb-10.6.20
mariadb-10.6.21
mariadb-10.6.22
mariadb-10.6.23
mariadb-10.6.24
mariadb-10.6.25
mariadb-10.6.26
mariadb-10.6.27
mariadb-10.6.3
mariadb-10.6.4
mariadb-10.6.5
mariadb-10.6.6
mariadb-10.6.8
mariadb-10.6.9
mariadb-11.*
mariadb-11.4.1
mariadb-11.4.10
mariadb-11.4.11
mariadb-11.4.11b
mariadb-11.4.2
mariadb-11.4.3
mariadb-11.4.4
mariadb-11.4.5
mariadb-11.4.6
mariadb-11.4.7
mariadb-11.4.8
mariadb-11.4.9
mariadb-11.8.1
mariadb-11.8.2
mariadb-11.8.3
mariadb-11.8.4
mariadb-11.8.6
mariadb-11.8.7
mariadb-11.8.7b
mariadb-12.*
mariadb-12.3.1
mariadb-13.*
mariadb-13.0.1

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-107821.json"
vanir_signatures
[
    {
        "deprecated": false,
        "digest": {
            "function_hash": "85676934499880264601416161311707180166",
            "length": 743
        },
        "id": "CVE-2026-107821-02b21eac",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/mariadb/server/commit/3b1c2e58abab5571bec4ff52773ddc75b1738da9",
        "target": {
            "file": "sql/table.cc",
            "function": "mysql57_calculate_null_position"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "82801121302399979878132824021630315459",
            "length": 36251
        },
        "id": "CVE-2026-107821-0f8d0e0f",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/mariadb/server/commit/3b1c2e58abab5571bec4ff52773ddc75b1738da9",
        "target": {
            "file": "sql/table.cc",
            "function": "TABLE_SHARE::init_from_binary_frm_image"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "338418176691477006438878597160865999730",
            "length": 892
        },
        "id": "CVE-2026-107821-18583404",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/mariadb/server/commit/3b1c2e58abab5571bec4ff52773ddc75b1738da9",
        "target": {
            "file": "sql/table.cc",
            "function": "fix_type_pointers"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "339712868486696881928202886484344029960",
            "length": 1715
        },
        "id": "CVE-2026-107821-1cd3e8db",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/mariadb/server/commit/83e909fc2a0dbc394b4b683fb3fa2d7dcf26cc5e",
        "target": {
            "file": "sql/log_event_server.cc",
            "function": "Rows_log_event_fragmenter::fragment"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "213402534861431797481623475064042930965",
            "length": 4382
        },
        "id": "CVE-2026-107821-381a2954",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/mariadb/server/commit/3b1c2e58abab5571bec4ff52773ddc75b1738da9",
        "target": {
            "file": "sql/table.cc",
            "function": "create_key_infos"
        }
    },
    {
        "deprecated": false,
        "digest": {
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                "7100122396357284882133944108516856108",
                "161393146120866756988306743699529625075"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-107821-6d62851c",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/mariadb/server/commit/bf9193a939f515e95dd8def1a5468088c91cede6",
        "target": {
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    },
    {
        "deprecated": false,
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vanir_signatures_modified
"2026-10-22T16:09:13Z"