{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-28212", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-25T15:28:40.649Z", "datePublished": "2026-04-17T18:05:25.854Z", "dateUpdated": "2026-04-17T18:10:29.394Z"}, "containers": {"cna": {"title": "Firebird has potential server crash via null pointer dereference when processing op_slice packet", "problemTypes": [{"descriptions": [{"cweId": "CWE-476", "lang": "en", "description": "CWE-476: NULL Pointer Dereference", "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-9884-9qm3-hqch", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-9884-9qm3-hqch"}, {"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": "< 3.0.14", "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": "2026-04-17T18:10:29.394Z"}, "descriptions": [{"lang": "en", "value": "Firebird is an open-source relational database management system. In versions prior to 6.0.0, 5.0.4, 4.0.7 and 3.0.14, when processing an op_slice network packet, the server passes an unprepared structure containing a null pointer to the SDL_info() function, resulting in a null pointer dereference and server crash. An unauthenticated attacker can trigger this by sending a crafted packet to the server port. This issue has been fixed in versions 6.0.0, 5.0.4, 4.0.7 and 3.0.14."}], "source": {"advisory": "GHSA-9884-9qm3-hqch", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Firebird is an open-source relational database management system. In versions prior to 6.0.0, 5.0.4, 4.0.7 and 3.0.14, when processing an op_slice network packet, the server passes an unprepared structure containing a null pointer to the SDL_info() function, resulting in a null pointer dereference and server crash. An unauthenticated attacker can trigger this by sending a crafted packet to the server port. This issue has been fixed in versions 6.0.0, 5.0.4, 4.0.7 and 3.0.14."}], "id": "CVE-2026-28212", "lastModified": "2026-04-17T19:16:35.180", "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": "2026-04-17T19:16:35.180", "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-9884-9qm3-hqch"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.0.14)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.0.0,4.0.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0,5.0.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "firebird", "source": "cna", "vendor": "FirebirdSQL"}, "product": "firebird", "vendor": "firebirdsql"}], "created": "2026-04-17T19:30:15.491841+00:00", "updated": "2026-04-17T19:30:15.491923+00:00", "vendors": ["firebirdsql", "firebirdsql$PRODUCT$firebird"]}