SB2026012332 - Multiple vulnerabilities in IBM App Connect Enterprise and IBM Integration Bus for z/OS



SB2026012332 - Multiple vulnerabilities in IBM App Connect Enterprise and IBM Integration Bus for z/OS

Published: January 23, 2026 Updated: May 25, 2026

Security Bulletin ID SB2026012332
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2025-8916)

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to improper resource allocation. A remote attacker can library to consume excessive resources and perform a denial of service attack. 


2) Resource exhaustion (CVE-ID: CVE-2025-8885)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when processing ASN.1 OIDs. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.