IBM i is Affected by a Denial of Service Vulnerability []

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-6936
StatePUBLISHED
Assigneribm
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-27 14:17:34 UTC
Updated2026-05-28 15:46:09 UTC
DescriptionIBM 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. An authenticated attacker could exploit this vulnerability by compiling specially crafted source code containing a specific combination of statements.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.000420000 probability, percentile 0.130880000 (date 2026-05-29)

Problem Types: CWE-674 | CWE-674 CWE-674 Uncontrolled Recursion

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Ibm I - All All All
Application Ibm I All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA IBM I affected 7.6 11.5.9 semver Not specified
CNA IBM I affected 7.5 12.1.4 semver Not specified
CNA IBM I affected 7.4 Not specified
CNA IBM I affected 7.3 Not specified

References

ReferenceSourceLinkTags
www.ibm.com/support/pages/node/7272908 [email protected] www.ibm.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: IBM i Release5770-999 PTF 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 IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.

© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report