{"api_version":"1","generated_at":"2026-07-30T20:39:24+00:00","cve":"CVE-2026-10535","urls":{"html":"https://cve.report/CVE-2026-10535","api":"https://cve.report/api/cve/CVE-2026-10535.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-10535","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-10535"},"summary":{"title":"IBM® Db2® is vulnerable to buffer overflow in setgid helper db2flacc which can lead to privilege escalation and instance compromise from an unprivileged shell","description":"IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to buffer overflow in setgid helper db2flacc.","state":"PUBLISHED","assigner":"ibm","published_at":"2026-07-30 19:17:01","updated_at":"2026-07-30 19:31:02"},"problem_types":["CWE-121","CWE-121 CWE-121 Stack-based Buffer Overflow"],"metrics":[{"version":"3.1","source":"psirt@us.ibm.com","type":"Primary","score":"8.4","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.4,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"8.4","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://www.ibm.com/support/pages/node/7279466","name":"https://www.ibm.com/support/pages/node/7279466","refsource":"psirt@us.ibm.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-10535","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-10535","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"IBM","product":"Db2","version":"affected 11.5.0 11.5.9 semver","platforms":[]},{"source":"CNA","vendor":"IBM","product":"Db2","version":"affected 12.1.0 12.1.4 semver","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","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 URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 \n\nV12.1v12.1.5 https://www.ibm.com/support/pages/node/7267513 \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. 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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><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/aCIgJ000000ECJ3/dt471717\" rel=\"nofollow\">DT471717</a></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=\"noopener noreferrer nofollow\">https://www.ibm.com/support/pages/node/7087189</a></p></td></tr><tr><td>V12.1</td><td>v12.1.5</td><td><a href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ000000ECJ3/dt471717\" rel=\"nofollow\">DT471717</a></td><td><p>Special Build #87349 or later for V12.1.4 available at this link: <a href=\"https://www.ibm.com/support/pages/node/7267513\" rel=\"nofollow\">https://www.ibm.com/support/pages/node/7267513</a></p></td></tr></tbody></table></div><p></p><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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