EUVD-2026-62713
GHSA-q92g-g9q5-r575
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Network-reachable with no auth, but AC:H reflects the specific conditions needed to trigger the uninitialized pointer; impact is availability-only with no scope change.
Primary rating from Vendor (ibm).
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/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 the use of an uninitialized stack pointer.
AnalysisAI
Denial of service in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 can be triggered by a remote, unauthenticated attacker exploiting an uninitialized stack pointer (CWE-908), leading to system unavailability. The CVSS vector scores high attack complexity (AC:H), indicating that successful exploitation requires specific conditions or timing rather than a straightforward network request. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network access to a service or port on the affected IBM AIX 7.2/7.3 or PowerVM VIOS 4.1 system that exposes the vulnerable code path. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS base score of 5.9 (Medium) reflects the high attack complexity (AC:H) that moderates an otherwise concerning network-reachable, unauthenticated attack surface. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A remote attacker sends a specially crafted network packet or sequence of requests to a vulnerable IBM AIX or PowerVM VIOS system, triggering the code path that dereferences the uninitialized stack pointer. The resulting memory fault causes the affected service or system to crash, producing a denial of service condition. … |
| Remediation | IBM has released a patch addressing this vulnerability, available via the IBM support portal at https://www.ibm.com/support/pages/node/7283858. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
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Same weakness CWE-908 – Use of Uninitialized Resource
View allSame technique Denial Of Service
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External POC / Exploit Code
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