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5.2

IBM i PASE may crash and stop processes

CVE-2026-19280 · published 1 month ago
Summary

IBM i versions 7.3 through 7.6 have a coding error in the PASE component that can cause the system to stop responding if it receives certain data. An attacker who already has a user account could exploit this to end their own running process, leading to a temporary outage. Install the latest IBM i updates that fix the PASE code to prevent the 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
Original advisory text
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a denial of service as a result of a buffer overflow in a PASE process. An authenticated attacker could leverage this to terminate their own process.
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a denial of service as a result of a buffer overflow in a PASE process. An authenticated attacker could leverage this to terminate their own process.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
5.2 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-787Out-of-bounds Write
Timeline
Published14 Sep 2026
Updated26 Oct 2026
First seen14 Sep 2026
Sources
CVE-2026-19280 · NVD
CVE-2026-19280 · MITRE
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