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7.5

IBM i Denial of Service through Heap Buffer Overflow

CVE-2026-16982 · published 2 months ago
Summary

IBM i versions 7.6, 7.5, 7.4, and 7.3 are affected. If exploited, this issue could allow an attacker to crash the system, making it unavailable to users. IBM recommends applying the latest updates to fix this issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm i 7.6
7.3
7.4
7.5
Original advisory text
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to a heap buffer overflow.
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to a heap buffer overflow.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker partial control
Severity
7.5 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-787Out-of-bounds Write
Timeline
Published13 Aug 2026
Updated4 Nov 2026
First seen13 Aug 2026
Sources
CVE-2026-16982 · NVD
CVE-2026-16982 · MITRE
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