EUVD-2026-62707
GHSA-47vp-xcrq-f264
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Network-exposed recursive path requires no authentication or user interaction; impact is purely availability loss with no confidentiality or integrity effect.
Primary rating from Vendor (ibm).
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2DescriptionNVD
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to unbounded recursion.
AnalysisAI
Unbounded recursion in IBM AIX 7.2 and 7.3 and PowerVM VIOS 4.1 exposes these systems to remote denial-of-service attacks requiring no authentication or user interaction. Network-reachable attackers can trigger uncontrolled resource consumption, exhausting stack or memory resources and disrupting availability of affected systems. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions are required - the CVSS vector AV:N/AC:L/PR:N/UI:N confirms remote unauthenticated exploitation against default configurations of IBM AIX 7.2, AIX 7.3, and PowerVM VIOS 4.1. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H scores 7.5 (High) and accurately reflects a remotely exploitable, low-complexity, unauthenticated DoS with full availability impact and no scope change. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A remote unauthenticated attacker sends a specially crafted network request to a vulnerable IBM AIX or PowerVM VIOS system that triggers an unbounded recursive code path in a network-exposed component. As recursion depth grows without bounds, the process exhausts available stack space or system memory, causing a crash or hang of the targeted service or the broader system. … |
| Remediation | IBM has released a patch for this vulnerability; the fix details including applicable APARs and interim fixes for AIX 7.2, AIX 7.3, and PowerVM VIOS 4.1 are documented at https://www.ibm.com/support/pages/node/7283858. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all systems running IBM AIX 7.2, 7.3, or PowerVM VIOS 4.1 and classify criticality levels; contact IBM support to obtain the patch and document your configuration requirements. …
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Same weakness CWE-400 – Uncontrolled Resource Consumption
View allSame technique Denial Of Service
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External POC / Exploit Code
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