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. It involves an out-of-bounds write (buffer overflow) that could be exploited remotely to cause a denial of service. The vulnerability does not impact confidentiality but can affect integrity and availability. No official patch or remediation information is currently provided.
AI Analysis
Technical Summary
IBM i versions 7.3 through 7.6 contain a buffer overflow vulnerability classified as CWE-787. This out-of-bounds write can be triggered remotely without authentication, leading to denial of service conditions. The CVSS 3.1 base score is 8.2, reflecting high severity due to network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vulnerability impacts integrity and availability but not confidentiality. No vendor advisory or patch information is available at this time.
Potential Impact
An attacker can remotely exploit this vulnerability to cause a denial of service on affected IBM i systems. The integrity of the system may also be impacted due to the out-of-bounds write. Confidentiality is not affected. There are no known exploits in the wild currently.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is available at this time.
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. It involves an out-of-bounds write (buffer overflow) that could be exploited remotely to cause a denial of service. The vulnerability does not impact confidentiality but can affect integrity and availability. No official patch or remediation information is currently provided.
CVSS v3.1
Score 8.2high
Affected software
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 through 7.6 contain a buffer overflow vulnerability classified as CWE-787. This out-of-bounds write can be triggered remotely without authentication, leading to denial of service conditions. The CVSS 3.1 base score is 8.2, reflecting high severity due to network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vulnerability impacts integrity and availability but not confidentiality. No vendor advisory or patch information is available at this time.
Potential Impact
An attacker can remotely exploit this vulnerability to cause a denial of service on affected IBM i systems. The integrity of the system may also be impacted due to the out-of-bounds write. Confidentiality is not affected. There are no known exploits in the wild currently.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is available at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T23:26:46.428Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7e2c1bbf8831d539c6f67d
Added to database: 08/13/2026, 20:42:03 UTC
Last enriched: 08/13/2026, 20:56:11 UTC
Last updated: 08/13/2026, 21:21:17 UTC
Views: 3
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