CVE-2026-17159: CWE-190 Integer Overflow or Wraparound in IBM AIX
CVE-2026-17159 is an integer overflow vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1. This flaw could allow a remote attacker to cause a denial of service condition. The vulnerability does not impact confidentiality or integrity but affects availability. No official patch or remediation guidance is currently provided by IBM.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-190 (Integer Overflow or Wraparound), affects IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1. It allows a remote attacker to trigger an integer overflow that results in denial of service. The CVSS v3.1 base score is 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vulnerability impacts system availability but not confidentiality or integrity. No vendor advisory or patch information is currently available.
Potential Impact
The primary impact is denial of service, which can disrupt availability of affected IBM AIX and PowerVM VIOS systems. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM security advisories for updates. No specific mitigation steps are provided by the vendor at this time.
CVE-2026-17159: CWE-190 Integer Overflow or Wraparound in IBM AIX
Description
CVE-2026-17159 is an integer overflow vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1. This flaw could allow a remote attacker to cause a denial of service condition. The vulnerability does not impact confidentiality or integrity but affects availability. No official patch or remediation guidance is currently provided by IBM.
CVSS v3.1
Score 7.5high
Affected software
cpe:2.3:a:ibm:aix:7.2:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.2.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.3:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.3.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:powervm_vios:4.1:*:*:*:*:*:*:*cpe:2.3:a:ibm:powervm_vios:4.1.0:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-190 (Integer Overflow or Wraparound), affects IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1. It allows a remote attacker to trigger an integer overflow that results in denial of service. The CVSS v3.1 base score is 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vulnerability impacts system availability but not confidentiality or integrity. No vendor advisory or patch information is currently available.
Potential Impact
The primary impact is denial of service, which can disrupt availability of affected IBM AIX and PowerVM VIOS systems. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM security advisories for updates. No specific mitigation steps are provided by the vendor at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T17:50:05.069Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a877ac3acd9273b493025a6
Added to database: 08/20/2026, 22:08:03 UTC
Last enriched: 08/20/2026, 22:24:02 UTC
Last updated: 08/20/2026, 23:19:35 UTC
Views: 3
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