{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-7771", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-05-04T14:17:26.954Z", "datePublished": "2026-07-17T19:16:03.169Z", "dateUpdated": "2026-07-17T19:16:03.169Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-07-17T19:16:03.169Z"}, "title": "IBM\u00ae Db2\u00ae is vulnerable to a trap when compiling specially crafted statements containing subqueries could lead to a denial of service", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-835", "description": "CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')", "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": "12.1.4", "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:db2:12.1.4:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a trap when compiling a specially crafted statements containing subqueries could lead to a denial of service.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a trap when compiling a specially crafted statements containing subqueries could lead to a denial of service.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7279480", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}}], "workarounds": [{"lang": "en", "value": "Ensure that the query is applying the predicates as intended.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Ensure that the query is applying the predicates as intended.</p>"}]}], "solutions": [{"lang": "en", "value": "Customers running any vulnerable modpack 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, and V12.1.4. 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 URL\n\nV11.5\n\n\n\nTBD\n\n\n\n https://www.ibm.com/support/pages/node/7087189 \n\n\n\nV12.1\n\n\n\n\n\n\n\n12.1.5\n\n\n\n\n\n https://www.ibm.com/support/pages/node/7267513 \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><br/>Customers running any vulnerable modpack 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, and V12.1.4. They can be applied to any affected level of the appropriate release to remediate this vulnerability.</p><p></p><div><table><tbody><tr><td>Release</td><td>Fixed in mod pack</td><td>APAR</td><td>Download URL</td></tr><tr><td><p>V11.5</p></td><td><p>TBD</p></td><td><p><a href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ000000DDib/dt469374\" rel=\"nofollow\">DT469374</a></p></td><td><p>Special Build #87098 or later for V11.5.9 available at this link:<br/><a href=\"https://www.ibm.com/support/pages/node/7087189\" rel=\"nofollow\">https://www.ibm.com/support/pages/node/7087189</a></p></td></tr><tr><td><p>V12.1</p><p></p></td><td><p>12.1.5</p><p></p></td><td><a href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ000000DDib/dt469374\" rel=\"nofollow\">DT469374</a><br/><p></p></td><td>Special Build #87349 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></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>"}]}], "x_generator": {"engine": "ibm-cvegen"}}}}

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