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IBM i CVE-2026-6936

| EUVD-2026-32491 MEDIUM
Uncontrolled Recursion (CWE-674)
2026-05-27 psirt@us.ibm.com GHSA-r635-g5rf-pcvw
6.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
Analysis Generated
May 27, 2026 - 21:19 vuln.today

DescriptionNVD

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. An authenticated attacker could exploit this vulnerability by compiling specially crafted source code containing a specific combination of statements.

AnalysisAI

Denial-of-service via uncontrolled recursion in the IBM i Integrated Language Environment (ILE) compiler affects versions 7.3, 7.4, 7.5 (≤12.1.4), and 7.6 (≤11.5.9). An authenticated network attacker can crash or hang the ILE compiler by submitting specially crafted source code containing a specific combination of statements that triggers infinite or deeply nested recursive processing. …

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CVE-2026-6936 vulnerability details – vuln.today

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