CVE-2026-17216: CWE-190 Integer Overflow or Wraparound
IBM i versions 7.3 through 7.6 contain an integer overflow vulnerability in the processing of DRDA large-object headers that could allow a remote attacker to cause a denial of service. The issue arises from an integer error leading to application disruption without impacting confidentiality or integrity.
AI Analysis
Technical Summary
CVE-2026-17216 is an integer overflow or wraparound vulnerability (CWE-190) affecting IBM i versions 7.3, 7.4, 7.5, and 7.6. The flaw occurs during the processing of Distributed Relational Database Architecture (DRDA) large-object headers, where an integer error can be triggered remotely, resulting in a denial of service condition. The vulnerability does not affect confidentiality or integrity but impacts availability by causing service disruption.
Potential Impact
A remote attacker can exploit this vulnerability to cause a denial of service on affected IBM i systems by triggering an integer overflow when handling DRDA large-object headers. There is no impact on confidentiality or integrity according to the CVSS vector. The severity is rated medium with a CVSS score of 5.3.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented in the provided data. Administrators should monitor IBM security advisories for updates and apply patches once available.
CVE-2026-17216: CWE-190 Integer Overflow or Wraparound
Description
IBM i versions 7.3 through 7.6 contain an integer overflow vulnerability in the processing of DRDA large-object headers that could allow a remote attacker to cause a denial of service. The issue arises from an integer error leading to application disruption without impacting confidentiality or integrity.
CVSS v3.1
Score 5.3medium
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
CVE-2026-17216 is an integer overflow or wraparound vulnerability (CWE-190) affecting IBM i versions 7.3, 7.4, 7.5, and 7.6. The flaw occurs during the processing of Distributed Relational Database Architecture (DRDA) large-object headers, where an integer error can be triggered remotely, resulting in a denial of service condition. The vulnerability does not affect confidentiality or integrity but impacts availability by causing service disruption.
Potential Impact
A remote attacker can exploit this vulnerability to cause a denial of service on affected IBM i systems by triggering an integer overflow when handling DRDA large-object headers. There is no impact on confidentiality or integrity according to the CVSS vector. The severity is rated medium with a CVSS score of 5.3.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented in the provided data. Administrators should monitor IBM security advisories for updates and apply patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T19:57:54.753Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7e2c18bf8831d539c6f4d0
Added to database: 08/13/2026, 20:42:00 UTC
Last enriched: 08/21/2026, 13:47:23 UTC
Last updated: 09/27/2026, 01:47:40 UTC
Views: 75
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