{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-10534", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-06-01T11:37:47.417Z", "datePublished": "2026-08-12T21:24:30.681Z", "dateUpdated": "2026-08-13T13:36:04.909Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-08-12T21:24:30.681Z" }, "title": "IBM® Db2® is vulnerable to buffer overflow in the IXF IMPORT parser", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow", "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 is vulnerable to buffer overflow in the IXF IMPORT parser.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to buffer overflow in the IXF IMPORT parser.

" } ] } ], "references": [ { "url": "https://www.ibm.com/support/pages/node/7279461", "tags": [ "vendor-advisory", "patch" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.4, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/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\n\n\n\n\nReleaseFixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 \n\nV12.1TBD https://www.ibm.com/support/pages/node/7267513 \n\n\n\nSecurity Update #88454 or later for V12.1.5 available at this link:\n https://www.ibm.com/support/pages/node/7282633 \n\n\n\n\n\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": "

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.

ReleaseFixed in mod packAPARDownload URL
V11.5TBDDT471716

Security Update #87984 or later for V11.5.9 available at this link:
https://www.ibm.com/support/pages/node/7087189

V12.1TBDDT471716

Security Update #86025 or later for V12.1.4 available at this link:
https://www.ibm.com/support/pages/node/7267513

Security Update #88454 or later for V12.1.5 available at this link:
https://www.ibm.com/support/pages/node/7282633

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.

" } ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-13T13:35:55.780915Z", "id": "CVE-2026-10534", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-13T13:36:04.909Z" } } ] } }