EUVD-2026-63734
GHSA-7xmq-3v82-q4w5
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Description explicitly states remote attacker, so AV:N overrides vendor AV:L; PR:N and UI:N per vendor; no integrity impact per CWE-125 read-only class.
Primary rating from Vendor (us).
CVSS VectorNVD
Lifecycle Timeline
4DescriptionNVD
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to obtain sensitive information and cause a denial of service due to an out-of-bounds read.
AnalysisAI
Out-of-bounds read in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 exposes sensitive memory contents and enables denial of service against affected systems. The flaw is reachable by remote attackers according to the vendor description, enabling both unauthorized information disclosure and availability disruption without authentication. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The vendor description states exploitation is possible by a remote attacker, but the supplied CVSS vector specifies AV:L (local access), creating an unresolved conflict that must be clarified with IBM before defenders can accurately scope exposure. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor CVSS vector (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H, score 7.7) presents a notable internal conflict: AV:L denotes local access, yet the IBM description explicitly states 'remote attacker' as the threat actor. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Consult the IBM security advisory at https://www.ibm.com/support/pages/node/7283858 for patch details - no specific fixed version number was included in the provided data, so the exact remediation version should be retrieved directly from IBM. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all systems running IBM AIX 7.2, 7.3, or PowerVM VIOS 4.1 and assess network exposure. …
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Threat intelligence, references, and detailed analysis are available after sign-in.
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Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
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