{"id":"CVE-2026-6936","state":"PUBLISHED","title":"IBM i is Affected by a Denial of Service Vulnerability []","description":"IBM i 7.6, 7.5, 7.4, and 7.3 s vulnerable to a denial-of-service attack due to uncontrolled recursion in the Integrated Language Environment (ILE) compiler. 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An authenticated attacker could exploit this vulnerability by compiling specially crafted source code containing a specific combination of statements."}],"affected":[{"vendor":"IBM","product":"i","versions":[{"version":"7.6","status":"affected","lessThanOrEqual":"11.5.9","versionType":"semver"},{"version":"7.5","status":"affected","lessThanOrEqual":"12.1.4","versionType":"semver"},{"version":"7.4","status":"affected"},{"version":"7.3","status":"affected"}],"cpes":["cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.3.0:*:*:*:*:*:*:*"]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7272908","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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-674","lang":"en","description":"CWE-674 Uncontrolled Recursion","type":"CWE"}]}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2026-05-27T13:10:46.314Z"},"solutions":[{"lang":"en","value":"IBM i Release5770-999\nPTF Number(s)PTF Download Link(s)7.6MJ09365 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09365 7.5MJ09335 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09335 7.4MJ09334 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09334 7.3MJ09332 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09332 \n\n\n\nIBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p></p><div><table><thead><tr><td><strong>IBM i Release</strong></td><td><strong>5770-999<br>PTF Number(s)</strong></td><td><strong>PTF Download Link(s)</strong></td></tr></thead><tbody><tr><td>7.6</td><td>MJ09365</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09365\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09365</a></td></tr><tr><td>7.5</td><td>MJ09335</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09335\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09335</a></td></tr><tr><td>7.4</td><td>MJ09334</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09334\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09334</a></td></tr><tr><td>7.3</td><td>MJ09332</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09332\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09332</a></td></tr></tbody></table></div><p>IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.</p>"}]}],"x_generator":{"engine":"ibm-cvegen"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-27T15:30:02.482494Z","id":"CVE-2026-6936","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-27T15:30:14.915Z"}}]}}}