{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-16702", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-07-23T01:37:51.466Z", "datePublished": "2026-09-14T19:43:19.877Z", "dateUpdated": "2026-09-14T20:13:31.208Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-09-14T19:43:19.877Z"}, "title": "IBM\u00ae Db2\u00ae federated server could allow a remote authenticated attacker to cause a denial of service due to a null pointer dereference", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "Db2", "versions": [{"status": "affected", "version": "11.5.0", "lessThanOrEqual": "11.5.9", "versionType": "semver"}, {"status": "affected", "version": "12.1.0", "lessThanOrEqual": "12.1.5", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:db2:12.1.5:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a remote authenticated attacker to cause a denial of service due to a null pointer dereference.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a remote authenticated attacker to cause a denial of service due to a null pointer dereference.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7286981", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}}], "solutions": [{"lang": "en", "value": "Customers running any vulnerable affected level of an affected Program, V11.5, and V12.1, can download the security update containing the interim fix for this issue from Fix Central. These security updates are available based on the most recent level for each impacted release: V11.5.9, V12.1.4, and V12.1.5. They can be applied to any affected level of the appropriate release to remediate this vulnerability.\n\nReleaseFixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 V12.1TBD https://www.ibm.com/support/pages/node/7267513 \n\n\n\nSecurity Update #89304 or later for V12.1.5 available at this link:\n https://www.ibm.com/support/pages/node/7282633 \n\n\n\n\n\nIBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Customers running any vulnerable affected level of an affected Program, V11.5, and V12.1, can download the security update containing the interim fix for this issue from Fix Central. These security updates are available based on the most recent level for each impacted release: V11.5.9, V12.1.4, and V12.1.5. They can be applied to any affected level of the appropriate release to remediate this vulnerability.</p><div><table><colgroup><col/><col/><col/><col/></colgroup><tbody><tr><td><strong>Release</strong></td><td><strong>Fixed in mod pack</strong></td><td><strong>APAR</strong></td><td><strong>Download URL</strong></td></tr><tr><td>V11.5</td><td>TBD</td><td><a href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ000000EjbZ/dt472908\" rel=\"nofollow\">DT472908</a></td><td>Security Update #90467 or later for V11.5.9 available at this link:<br/><a href=\"https://www.ibm.com/support/pages/node/7087189\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/support/pages/node/7087189</a></td></tr><tr><td>V12.1</td><td>TBD</td><td><a href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ000000EjbZ/dt472908\" rel=\"nofollow\">DT472908</a></td><td><p>Security Update #91310 or later for V12.1.4 available at this link:<br/><a href=\"https://www.ibm.com/support/pages/node/7267513\" rel=\"nofollow\">https://www.ibm.com/support/pages/node/7267513</a></p><p>Security Update #89304 or later for V12.1.5 available at this link:<br/><a href=\"https://www.ibm.com/support/pages/node/7282633\" rel=\"nofollow\">https://www.ibm.com/support/pages/node/7282633</a></p></td></tr></tbody></table></div><p>IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.</p>"}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-16702", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-14T20:10:16.568392Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-14T20:13:31.208Z"}}]}}

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These security updates are available based on the most recent level for each impacted release: V11.5.9, V12.1.4, and V12.1.5. They can be applied to any affected level of the appropriate release to remediate this vulnerability.\n\nReleaseFixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 V12.1TBD https://www.ibm.com/support/pages/node/7267513 \n\n\n\nSecurity Update #89304 or later for V12.1.5 available at this link:\n https://www.ibm.com/support/pages/node/7282633 \n\n\n\n\n\nIBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.", "supportingMedia": [{"type": "text/html", "value": "<p>Customers running any vulnerable affected level of an affected Program, V11.5, and V12.1, can download the security update containing the interim fix for this issue from Fix Central. These security updates are available based on the most recent level for each impacted release: V11.5.9, V12.1.4, and V12.1.5. They can be applied to any affected level of the appropriate release to remediate this vulnerability.</p><div><table><colgroup><col/><col/><col/><col/></colgroup><tbody><tr><td><strong>Release</strong></td><td><strong>Fixed in mod pack</strong></td><td><strong>APAR</strong></td><td><strong>Download URL</strong></td></tr><tr><td>V11.5</td><td>TBD</td><td><a href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ000000EjbZ/dt472908\" rel=\"nofollow\">DT472908</a></td><td>Security Update #90467 or later for V11.5.9 available at this link:<br/><a href=\"https://www.ibm.com/support/pages/node/7087189\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/support/pages/node/7087189</a></td></tr><tr><td>V12.1</td><td>TBD</td><td><a href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ000000EjbZ/dt472908\" rel=\"nofollow\">DT472908</a></td><td><p>Security Update #91310 or later for V12.1.4 available at this link:<br/><a href=\"https://www.ibm.com/support/pages/node/7267513\" rel=\"nofollow\">https://www.ibm.com/support/pages/node/7267513</a></p><p>Security Update #89304 or later for V12.1.5 available at this link:<br/><a href=\"https://www.ibm.com/support/pages/node/7282633\" rel=\"nofollow\">https://www.ibm.com/support/pages/node/7282633</a></p></td></tr></tbody></table></div><p>IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. 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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:db2:12.1.5:*:*:*:*:*:*:*"], "product": "Db2", "vendor": "IBM", "versions": [{"lessThanOrEqual": "11.5.9", "status": "affected", "version": "11.5.0", "versionType": "semver"}, {"lessThanOrEqual": "12.1.5", "status": "affected", "version": "12.1.0", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a remote authenticated attacker to cause a denial of service due to a null pointer dereference."}], "id": "CVE-2026-16702", "lastModified": "2026-09-14T21:17:03.583", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "psirt@us.ibm.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-16702", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-14T20:10:16.568392Z", "version": "2.0.3"}}]}, "published": "2026-09-14T20:16:41.173", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7286981"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "psirt@us.ibm.com", "type": "Secondary"}]}

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