CVE-2026-85745

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-85745", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-04T14:50:16.720Z", "datePublished": "2026-10-16T16:30:30.866Z", "dateUpdated": "2026-10-19T12:39:16.848Z"}, "containers": {"cna": {"title": "MariaDB: Out-of-bound buffer read on in `ST_Area` of a multipolygon.", "problemTypes": [{"descriptions": [{"cweId": "CWE-126", "lang": "en", "description": "CWE-126: Buffer Over-read", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/MariaDB/server/security/advisories/GHSA-p7v9-24h4-mch8", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/MariaDB/server/security/advisories/GHSA-p7v9-24h4-mch8"}, {"name": "https://github.com/MariaDB/server/commit/2bf355e361db85153fdfba7b8a0f0d114d6a26ce", "tags": ["x_refsource_MISC"], "url": "https://github.com/MariaDB/server/commit/2bf355e361db85153fdfba7b8a0f0d114d6a26ce"}, {"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-40328", "tags": ["x_refsource_MISC"], "url": "https://jira.mariadb.org/browse/MDEV-40328"}], "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": "2026-10-16T16:30:30.866Z"}, "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, ST_Area reads beyond the allocated buffer when processing invalid WKB for a MultiPolygon because the multi-polygon parser advances past a nested geometry header without first verifying enough input remains. A low-privileged remote attacker can supply malformed spatial data to disclose memory useful for bypassing ASLR as part of a multi-vulnerability chain. 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-p7v9-24h4-mch8", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-19T12:38:54.237600Z", "id": "CVE-2026-85745", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T12:39:16.848Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-85745", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-19T12:38:54.237600Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T12:39:04.825Z"}}], "cna": {"title": "MariaDB: Out-of-bound buffer read on in `ST_Area` of a multipolygon.", "source": {"advisory": "GHSA-p7v9-24h4-mch8", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}], "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-p7v9-24h4-mch8", "name": "https://github.com/MariaDB/server/security/advisories/GHSA-p7v9-24h4-mch8", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/MariaDB/server/commit/2bf355e361db85153fdfba7b8a0f0d114d6a26ce", "name": "https://github.com/MariaDB/server/commit/2bf355e361db85153fdfba7b8a0f0d114d6a26ce", "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-40328", "name": "https://jira.mariadb.org/browse/MDEV-40328", "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, ST_Area reads beyond the allocated buffer when processing invalid WKB for a MultiPolygon because the multi-polygon parser advances past a nested geometry header without first verifying enough input remains. A low-privileged remote attacker can supply malformed spatial data to disclose memory useful for bypassing ASLR as part of a multi-vulnerability chain. 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-126", "description": "CWE-126: Buffer Over-read"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-16T16:30:30.866Z"}}}, "cveMetadata": {"cveId": "CVE-2026-85745", "state": "PUBLISHED", "dateUpdated": "2026-10-19T12:39:16.848Z", "dateReserved": "2026-09-04T14:50:16.720Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-10-16T16:30:30.866Z", "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:13.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "E46FBE57-06D5-489E-9ECE-333F5F9AFD06", "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, ST_Area reads beyond the allocated buffer when processing invalid WKB for a MultiPolygon because the multi-polygon parser advances past a nested geometry header without first verifying enough input remains. A low-privileged remote attacker can supply malformed spatial data to disclose memory useful for bypassing ASLR as part of a multi-vulnerability chain. 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-2026-85745", "lastModified": "2026-10-20T15:33:09.520", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-85745", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-19T12:38:54.237600Z", "version": "2.0.3"}}]}, "published": "2026-10-16T17:17:51.020", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/MariaDB/server/commit/2bf355e361db85153fdfba7b8a0f0d114d6a26ce"}, {"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-p7v9-24h4-mch8"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking"], "url": "https://jira.mariadb.org/browse/MDEV-40328"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-126"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "mariadb: mariadb: out-of-bounds read in ST_Area with crafted MULTIPOLYGON", "id": "2553280", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2553280"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in MariaDB. An authenticated database user can exploit an out-of-bounds read vulnerability by supplying a specially crafted spatial geometry to the ST_Area function. This issue allows reading beyond allocated memory buffers, leading to unauthorized information disclosure of internal process memory. An attacker could use this disclosed data to facilitate further attacks, such as bypassing security protections like Address Space Layout Randomization (ASLR)."], "mitigation": {"lang": "en:us", "value": "Restrict network access to the MariaDB service so that only trusted client systems or the local host can connect.\n1. If the database is only accessed locally, configure MariaDB to listen exclusively on localhost by editing `/etc/my.cnf.d/mariadb-server.cnf` under the `[mysqld]` section:\n```\nbind-address = 127.0.0.1\n```\nThen restart the MariaDB service:\n```\nsystemctl restart mariadb\n```\n2. If remote access is necessary, use firewalld to block untrusted networks and permit access only from designated IP addresses or subnets:\n```\nfirewall-cmd --permanent --remove-service=mariadb\nfirewall-cmd --permanent --add-rich-rule='rule family=\"ipv4\" source address=\"192.168.1.0/24\" service name=\"mariadb\" accept'\nfirewall-cmd --reload\n```\nCaveats: Restricting network reachability limits exposure to authorized networks and prevents untrusted network users from connecting, but it does not protect against malicious queries executed by already authenticated database accounts on permitted networks.\nWarning: Modifying firewall rules or binding addresses requires reloading firewall configurations or restarting the MariaDB service, which will terminate existing database connections and disrupt active services."}, "name": "CVE-2026-85745", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "mariadb10.11", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "mariadb11.8", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "mariadb", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "mariadb:10.11/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "mariadb:10.3/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "mariadb:10.11/mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "mariadb:11.8/mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "hi/mariadb", "product_name": "Red Hat Hardened Images"}, {"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": "Not affected", "package_name": "mariadb", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2026-10-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-85745\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-85745\nhttps://hackerone.com/reports/3856148\nhttps://jira.mariadb.org/browse/MDEV-40328"], "statement": "This vulnerability is rated as Moderate because successful exploitation requires valid database credentials and only leaks memory contents without directly altering state or causing a service crash. In standard Red Hat Enterprise Linux deployments, the issue is constrained to authenticated database sessions executing spatial geometry operations on MariaDB instances. While the disclosed memory could assist an attacker in bypassing binary protections such as ASLR, arbitrary code execution is not achievable through this flaw alone and would require chaining with a separate memory corruption vulnerability. Consequently, the isolated impact is limited to unauthorized information disclosure within the database process memory space.", "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": "2026-10-16T18:30:14.698653+00:00", "updated": "2026-10-23T10:45:16.900530+00:00", "vendors": ["mariadb", "mariadb$PRODUCT$server"], "weaknesses": ["CWE-125", "CWE-126"]}