CVE-2026-17272: CWE-787 Out-of-bounds Write
CVE-2026-17272 is a high-severity vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6 that allows a remote attacker to cause a denial of service via a buffer overflow (CWE-787). The vulnerability does not impact confidentiality but can lead to integrity loss and service disruption. No official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
IBM i versions 7.3, 7.4, 7.5, and 7.6 contain a buffer overflow vulnerability (CWE-787) that could be exploited remotely to cause a denial of service. The CVSS 3.1 base score is 8.2, reflecting network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, no confidentiality impact, limited integrity impact, and high availability impact. No vendor advisory or patch information is currently available, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation can cause denial of service by triggering a buffer overflow, impacting system availability. There is no impact on confidentiality, and only limited impact on integrity is indicated. This could disrupt operations on affected IBM i systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, monitor for updates from IBM and apply any recommended mitigations once published.
CVE-2026-17272: CWE-787 Out-of-bounds Write
Description
CVE-2026-17272 is a high-severity vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6 that allows a remote attacker to cause a denial of service via a buffer overflow (CWE-787). The vulnerability does not impact confidentiality but can lead to integrity loss and service disruption. No official patch or remediation guidance has been provided yet.
CVSS v3.1
Score 8.2high
Affected software
IBM
cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
IBM i versions 7.3, 7.4, 7.5, and 7.6 contain a buffer overflow vulnerability (CWE-787) that could be exploited remotely to cause a denial of service. The CVSS 3.1 base score is 8.2, reflecting network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, no confidentiality impact, limited integrity impact, and high availability impact. No vendor advisory or patch information is currently available, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation can cause denial of service by triggering a buffer overflow, impacting system availability. There is no impact on confidentiality, and only limited impact on integrity is indicated. This could disrupt operations on affected IBM i systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, monitor for updates from IBM and apply any recommended mitigations once published.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T23:26:46.428Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7e2c1bbf8831d539c6f67d
Added to database: 08/13/2026, 20:42:03 UTC
Last enriched: 08/21/2026, 13:30:16 UTC
Last updated: 09/26/2026, 18:12:04 UTC
Views: 63
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