CVE-2026-107821

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107821", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-08T21:23:59.823Z", "datePublished": "2026-10-09T17:27:16.316Z", "dateUpdated": "2026-10-09T17:42:29.482Z"}, "containers": {"cna": {"title": "MariaDB: insufficient validation of binary frm data when opening a table", "problemTypes": [{"descriptions": [{"cweId": "CWE-1285", "lang": "en", "description": "CWE-1285: Improper Validation of Specified Index, Position, or Offset in Input", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/MariaDB/server/security/advisories/GHSA-c4gx-34mg-95q5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/MariaDB/server/security/advisories/GHSA-c4gx-34mg-95q5"}, {"name": "https://github.com/MariaDB/server/commit/3b1c2e58abab5571bec4ff52773ddc75b1738da9", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/commit/3b1c2e58abab5571bec4ff52773ddc75b1738da9"}, {"name": "https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19"}, {"name": "https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28"}, {"name": "https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13"}, {"name": "https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9"}, {"name": "https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3"}, {"name": "https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2"}, {"name": "https://jira.mariadb.org/browse/MDEV-40571", "tags": ["x_refsource_MISC"], "url": "https://jira.mariadb.org/browse/MDEV-40571"}], "affected": [{"vendor": "MariaDB", "product": "server", "versions": [{"version": ">= 10.6.1, < 10.6.28", "status": "affected"}, {"version": ">= 10.11.1, < 10.11.19", "status": "affected"}, {"version": ">= 11.4.1, < 11.4.13", "status": "affected"}, {"version": ">= 11.8.1, < 11.8.9", "status": "affected"}, {"version": ">= 12.3.1, < 12.3.3", "status": "affected"}, {"version": ">= 13.0.1, < 13.0.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-09T17:27:16.316Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-c4gx-34mg-95q5", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-09T17:42:08.587821Z", "id": "CVE-2026-107821", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-09T17:42:29.482Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-107821", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-09T17:42:08.587821Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-09T17:42:14.921Z"}}], "cna": {"title": "MariaDB: insufficient validation of binary frm data when opening a table", "source": {"advisory": "GHSA-c4gx-34mg-95q5", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "MariaDB", "product": "server", "versions": [{"status": "affected", "version": ">= 10.6.1, < 10.6.28"}, {"status": "affected", "version": ">= 10.11.1, < 10.11.19"}, {"status": "affected", "version": ">= 11.4.1, < 11.4.13"}, {"status": "affected", "version": ">= 11.8.1, < 11.8.9"}, {"status": "affected", "version": ">= 12.3.1, < 12.3.3"}, {"status": "affected", "version": ">= 13.0.1, < 13.0.2"}]}], "references": [{"url": "https://github.com/MariaDB/server/security/advisories/GHSA-c4gx-34mg-95q5", "name": "https://github.com/MariaDB/server/security/advisories/GHSA-c4gx-34mg-95q5", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/MariaDB/server/commit/3b1c2e58abab5571bec4ff52773ddc75b1738da9", "name": "https://github.com/MariaDB/server/commit/3b1c2e58abab5571bec4ff52773ddc75b1738da9", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19", "name": "https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28", "name": "https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13", "name": "https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9", "name": "https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3", "name": "https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2", "name": "https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2", "tags": ["x_refsource_MISC"]}, {"url": "https://jira.mariadb.org/browse/MDEV-40571", "name": "https://jira.mariadb.org/browse/MDEV-40571", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1285", "description": "CWE-1285: Improper Validation of Specified Index, Position, or Offset in Input"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-09T17:27:16.316Z"}}}, "cveMetadata": {"cveId": "CVE-2026-107821", "state": "PUBLISHED", "dateUpdated": "2026-10-09T17:42:29.482Z", "dateReserved": "2026-10-08T21:23:59.823Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-10-09T17:27:16.316Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "server", "vendor": "MariaDB", "versions": [{"status": "affected", "version": ">= 10.6.1, < 10.6.28"}, {"status": "affected", "version": ">= 10.11.1, < 10.11.19"}, {"status": "affected", "version": ">= 11.4.1, < 11.4.13"}, {"status": "affected", "version": ">= 11.8.1, < 11.8.9"}, {"status": "affected", "version": ">= 12.3.1, < 12.3.3"}, {"status": "affected", "version": ">= 13.0.1, < 13.0.2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "matchCriteriaId": "6A6667AA-6A82-49E2-894B-318569872468", "versionEndExcluding": "10.6.28", "versionStartIncluding": "10.6.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "matchCriteriaId": "C18A44B6-CEEF-47D7-9D60-04E6EBAFC785", "versionEndExcluding": "10.11.19", "versionStartIncluding": "10.11.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "matchCriteriaId": "47070DA5-F754-4FE1-957A-375C39D9029E", "versionEndExcluding": "11.4.13", "versionStartIncluding": "11.4.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "matchCriteriaId": "39AD11EC-57BE-4D2B-9A7C-E667E23A6940", "versionEndExcluding": "11.8.9", "versionStartIncluding": "11.8.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "matchCriteriaId": "E6988F1C-2D11-431B-BBE4-3AA8483627C8", "versionEndExcluding": "12.3.3", "versionStartIncluding": "12.3.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "matchCriteriaId": "B427DCA2-1080-4276-9C4C-D90BA53DDDBF", "versionEndExcluding": "13.0.2", "versionStartIncluding": "13.0.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-107821", "lastModified": "2026-10-14T14:13:07.733", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-107821", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-09T17:42:08.587821Z", "version": "2.0.3"}}]}, "published": "2026-10-09T18:17:03.860", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/MariaDB/server/commit/3b1c2e58abab5571bec4ff52773ddc75b1738da9"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/MariaDB/server/security/advisories/GHSA-c4gx-34mg-95q5"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking"], "url": "https://jira.mariadb.org/browse/MDEV-40571"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1285"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "mariadb: mariadb: Arbitrary code execution via crafted FRM metadata", "id": "2548734", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548734"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in MariaDB. An attacker able to place a crafted table format (FRM) metadata file into the database data directory can exploit insufficient validation of metadata boundaries and field counts when the server opens the file. This could lead to out-of-bounds memory operations, potentially allowing arbitrary code execution or causing a Denial of Service (DoS) by crashing the database server."], "name": "CVE-2026-107821", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "mariadb10.11", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "mariadb11.8", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "mariadb", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "mariadb:10.11/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "mariadb:10.3/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "mariadb-devel:10.3/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "mariadb:10.11/mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "mariadb:11.8/mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "mariadb10.11", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "mariadb11.8", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Out of support scope", "package_name": "mariadb", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2026-10-09T17:27:16Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-107821\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-107821\nhttps://github.com/MariaDB/server/commit/3b1c2e58abab5571bec4ff52773ddc75b1738da9\nhttps://github.com/MariaDB/server/releases/tag/mariadb-10.11.19\nhttps://github.com/MariaDB/server/releases/tag/mariadb-10.6.28\nhttps://github.com/MariaDB/server/releases/tag/mariadb-11.4.13\nhttps://github.com/MariaDB/server/releases/tag/mariadb-11.8.9\nhttps://github.com/MariaDB/server/releases/tag/mariadb-12.3.3\nhttps://github.com/MariaDB/server/releases/tag/mariadb-13.0.2\nhttps://github.com/MariaDB/server/security/advisories/GHSA-c4gx-34mg-95q5\nhttps://jira.mariadb.org/browse/MDEV-40571"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[10.6.1,10.6.28)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[10.11.1,10.11.19)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.4.1,11.4.13)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.8.1,11.8.9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[12.3.1,12.3.3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[13.0.1,13.0.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "server", "source": "cna", "vendor": "MariaDB"}, "product": "server", "vendor": "mariadb"}], "created": "2026-10-09T18:30:11.746885+00:00", "updated": "2026-10-10T02:00:11.737497+00:00", "vendors": ["mariadb", "mariadb$PRODUCT$server"]}