SB2026050516 - Multiple vulnerabilities in IBM Sterling Control Center

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Main Vulnerability Database SB2026050516

SB2026050516 - Multiple vulnerabilities in IBM Sterling Control Center

Published: May 5, 2026

Security Bulletin ID SB2026050516
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) Integer overflow (CVE-ID: CVE-2025-66168)

CWE-ID: CWE-190 - Integer overflow

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


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

The vulnerability exists due to integer overflow within the MQTT module when decoding malformed packets. A remote user can send specially crafted packets to the application, trigger an integer overflow and perform a denial of service attack. Note, the vulnerability does not affect brokers with not enabled MQTT transport connectors.


2) Integer overflow (CVE-ID: CVE-2026-40046)

CWE-ID: CWE-190 - Integer overflow

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 cause a denial of service.

The vulnerability exists due to integer overflow or wraparound in the MQTT control packet remaining length field handling when parsing MQTT control packets. A remote attacker can send a specially crafted MQTT control packet to cause a denial of service.


Remediation

Install update from vendor's website.

References