{"id":"CVE-2026-32710","state":"PUBLISHED","title":"Heap-based Buffer Overflow in MariaDB","description":"MariaDB server is a community developed fork of MySQL server. An authenticated user can crash MariaDB versions 11.4 before 11.4.10 and 11.8 before 11.8.6 via a bug in JSON_SCHEMA_VALID() function. Under certain conditions it might be possible to turn the crash into a remote code execution. These conditions require tight control over memory layout which is generally only attainable in a lab environment. This issue is fixed in MariaDB 11.4.10, MariaDB 11.8.6, and MariaDB 12.2.2.","publishedAt":"2026-03-20T18:31:48.870Z","updatedAt":"2026-03-27T03:55:38.121Z","severity":{"score":8.6,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["MariaDB server"],"affected":[{"vendor":"MariaDB","product":"server","versions":[{"version":">= 11.4.1, < 11.4.10","status":"affected"},{"version":">= 11.8.1, < 11.8.6","status":"affected"},{"version":">= 12.1.2, < 12.2.2","status":"affected"}]}],"references":["https://github.com/MariaDB/server/security/advisories/GHSA-4rj5-2227-9wgc","https://jira.mariadb.org/browse/MDEV-38356"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/32xxx/CVE-2026-32710.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-32710","state":"PUBLISHED","datePublished":"2026-03-20T18:31:48.870Z","dateUpdated":"2026-03-27T03:55:38.121Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-13T14:33:42.824Z"},"containers":{"cna":{"title":"Heap-based Buffer Overflow in MariaDB","descriptions":[{"lang":"en","value":"MariaDB server is a community developed fork of MySQL server. An authenticated user can crash MariaDB versions 11.4 before 11.4.10 and 11.8 before 11.8.6 via a bug in JSON_SCHEMA_VALID() function. Under certain conditions it might be possible to turn the crash into a remote code execution. These conditions require tight control over memory layout which is generally only attainable in a lab environment. This issue is fixed in MariaDB 11.4.10, MariaDB 11.8.6, and MariaDB 12.2.2."}],"affected":[{"vendor":"MariaDB","product":"server","versions":[{"version":">= 11.4.1, < 11.4.10","status":"affected"},{"version":">= 11.8.1, < 11.8.6","status":"affected"},{"version":">= 12.1.2, < 12.2.2","status":"affected"}]}],"references":[{"url":"https://github.com/MariaDB/server/security/advisories/GHSA-4rj5-2227-9wgc","name":"https://github.com/MariaDB/server/security/advisories/GHSA-4rj5-2227-9wgc","tags":["x_refsource_CONFIRM"]},{"url":"https://jira.mariadb.org/browse/MDEV-38356","name":"https://jira.mariadb.org/browse/MDEV-38356","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","description":"CWE-122: Heap-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-20T18:31:48.870Z"},"source":{"advisory":"GHSA-4rj5-2227-9wgc","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-26T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-32710"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-27T03:55:38.121Z"}}]}}}