{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33337", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-18T22:15:11.812Z", "datePublished": "2026-04-17T18:48:47.953Z", "dateUpdated": "2026-04-17T19:21:17.132Z"}, "containers": {"cna": {"title": "Firebird has a buffer overflow when parsing corrupted slice packets", "problemTypes": [{"descriptions": [{"cweId": "CWE-120", "lang": "en", "description": "CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-502", "lang": "en", "description": "CWE-502: Deserialization of Untrusted Data", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-89mq-229g-x47p", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-89mq-229g-x47p"}, {"name": "https://github.com/FirebirdSQL/firebird/releases/tag/v3.0.14", "tags": ["x_refsource_MISC"], "url": "https://github.com/FirebirdSQL/firebird/releases/tag/v3.0.14"}, {"name": "https://github.com/FirebirdSQL/firebird/releases/tag/v4.0.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/FirebirdSQL/firebird/releases/tag/v4.0.7"}, {"name": "https://github.com/FirebirdSQL/firebird/releases/tag/v5.0.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/FirebirdSQL/firebird/releases/tag/v5.0.4"}], "affected": [{"vendor": "FirebirdSQL", "product": "firebird", "versions": [{"version": ">= 3.0.0, < 3.0.14", "status": "affected"}, {"version": ">= 4.0.0, < 4.0.7", "status": "affected"}, {"version": ">= 5.0.0, < 5.0.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-17T18:48:47.953Z"}, "descriptions": [{"lang": "en", "value": "Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, when deserializing a slice packet, the xdr_datum() function does not validate that a cstring length conforms to the slice descriptor bounds, allowing a cstring longer than the allocated buffer to overflow it. An unauthenticated attacker can exploit this by sending a crafted packet to the server, potentially causing a crash or other security impact. This issue has been fixed in versions 5.0.4, 4.0.7 and 3.0.14."}], "source": {"advisory": "GHSA-89mq-229g-x47p", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-17T19:21:08.979325Z", "id": "CVE-2026-33337", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"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": "2026-04-17T19:21:17.132Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-33337", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-17T19:21:08.979325Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-17T19:21:13.730Z"}}], "cna": {"title": "Firebird has a buffer overflow when parsing corrupted slice packets", "source": {"advisory": "GHSA-89mq-229g-x47p", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "FirebirdSQL", "product": "firebird", "versions": [{"status": "affected", "version": ">= 3.0.0, < 3.0.14"}, {"status": "affected", "version": ">= 4.0.0, < 4.0.7"}, {"status": "affected", "version": ">= 5.0.0, < 5.0.4"}]}], "references": [{"url": "https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-89mq-229g-x47p", "name": "https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-89mq-229g-x47p", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/FirebirdSQL/firebird/releases/tag/v3.0.14", "name": "https://github.com/FirebirdSQL/firebird/releases/tag/v3.0.14", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/FirebirdSQL/firebird/releases/tag/v4.0.7", "name": "https://github.com/FirebirdSQL/firebird/releases/tag/v4.0.7", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/FirebirdSQL/firebird/releases/tag/v5.0.4", "name": "https://github.com/FirebirdSQL/firebird/releases/tag/v5.0.4", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, when deserializing a slice packet, the xdr_datum() function does not validate that a cstring length conforms to the slice descriptor bounds, allowing a cstring longer than the allocated buffer to overflow it. An unauthenticated attacker can exploit this by sending a crafted packet to the server, potentially causing a crash or other security impact. This issue has been fixed in versions 5.0.4, 4.0.7 and 3.0.14."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502: Deserialization of Untrusted Data"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-17T18:48:47.953Z"}}}, "cveMetadata": {"cveId": "CVE-2026-33337", "state": "PUBLISHED", "dateUpdated": "2026-04-17T19:21:17.132Z", "dateReserved": "2026-03-18T22:15:11.812Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-04-17T18:48:47.953Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, when deserializing a slice packet, the xdr_datum() function does not validate that a cstring length conforms to the slice descriptor bounds, allowing a cstring longer than the allocated buffer to overflow it. An unauthenticated attacker can exploit this by sending a crafted packet to the server, potentially causing a crash or other security impact. This issue has been fixed in versions 5.0.4, 4.0.7 and 3.0.14."}], "id": "CVE-2026-33337", "lastModified": "2026-04-17T19:16:36.223", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-04-17T19:16:36.223", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/FirebirdSQL/firebird/releases/tag/v3.0.14"}, {"source": "security-advisories@github.com", "url": "https://github.com/FirebirdSQL/firebird/releases/tag/v4.0.7"}, {"source": "security-advisories@github.com", "url": "https://github.com/FirebirdSQL/firebird/releases/tag/v5.0.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-89mq-229g-x47p"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}, {"lang": "en", "value": "CWE-502"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}