{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-36122", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2025-04-15T21:16:18.171Z", "datePublished": "2026-04-30T21:48:49.826Z", "dateUpdated": "2026-05-01T14:24:18.769Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-04-30T21:48:49.826Z"}, "title": "IBM\u00ae Db2\u00ae is vulnerable to a denial of service with a specially crafted query when stmtheap is set to automatic", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-770", "description": "CWE-770 Allocation of Resources Without Limits or Throttling", "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": "12.1.3", "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:db2:12.1.3:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to cause a denial of service using a specially crafted SQL query due to improper allocation of system resources.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to cause a denial of service using a specially crafted SQL query due to improper allocation of system resources.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7267642", "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 special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent level for each impacted release: V11.5.9. They can be applied to any affected level of the appropriate release to remediate this vulnerability.\n\n\n\n\n\nReleaseFixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 \n\n\n\nV12.1\n\n\n\nV12.1.4\n\n\n\n https://www.ibm.com/support/pages/node/7267513 \n\n\n\n\n\n\nNote: To apply this fix, it is required to set DB2_STRICT_INSTANCE_MEMORY=ON in addition to installing the above Special Build.\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 special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent level for each impacted release: V11.5.9. They can be applied to any affected level of the appropriate release to remediate this vulnerability.</p><p></p><div><table><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/aCIgJ0000002v3p/dt444599\" rel=\"nofollow\">DT444599</a></td><td><p>Special Build #79671 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></p></td></tr><tr><td><p>V12.1</p></td><td><p>V12.1.4</p></td><td><p><a href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ0000002v3p/dt444599\" rel=\"nofollow\">DT444599</a></p></td><td><p>Latest for V12.1.4 is available at this link:<br><a href=\"https://www.ibm.com/support/pages/node/7267513\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/support/pages/node/7267513</a></p></td></tr></tbody></table></div><pre><br>Note: To apply this fix, it is required to set DB2_STRICT_INSTANCE_MEMORY=ON in addition to installing the above Special Build.<br></pre><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>"}]}], "x_generator": {"engine": "ibm-cvegen"}, "workarounds": [{"lang": "en", "value": "set dbm cfg instance_memory to a fixed value", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>set dbm cfg instance_memory to a fixed value</p>"}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-01T14:24:09.617346Z", "id": "CVE-2025-36122", "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": "2026-05-01T14:24:18.769Z"}}]}}

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These special builds are available based on the most recent level for each impacted release: V11.5.9. They can be applied to any affected level of the appropriate release to remediate this vulnerability.\n\n\n\n\n\nReleaseFixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 \n\n\n\nV12.1\n\n\n\nV12.1.4\n\n\n\n https://www.ibm.com/support/pages/node/7267513 \n\n\n\n\n\n\nNote: To apply this fix, it is required to set DB2_STRICT_INSTANCE_MEMORY=ON in addition to installing the above Special Build.\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 special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent level for each impacted release: V11.5.9. They can be applied to any affected level of the appropriate release to remediate this vulnerability.</p><p></p><div><table><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/aCIgJ0000002v3p/dt444599\" rel=\"nofollow\">DT444599</a></td><td><p>Special Build #79671 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></p></td></tr><tr><td><p>V12.1</p></td><td><p>V12.1.4</p></td><td><p><a href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ0000002v3p/dt444599\" rel=\"nofollow\">DT444599</a></p></td><td><p>Latest for V12.1.4 is available at this link:<br><a href=\"https://www.ibm.com/support/pages/node/7267513\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/support/pages/node/7267513</a></p></td></tr></tbody></table></div><pre><br>Note: To apply this fix, it is required to set DB2_STRICT_INSTANCE_MEMORY=ON in addition to installing the above Special Build.<br></pre><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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