SB2026012667 - Multiple vulnerabilities in IBM CICS Transaction Gateway for Multiplatforms

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Main Vulnerability Database SB2026012667

SB2026012667 - Multiple vulnerabilities in IBM CICS Transaction Gateway for Multiplatforms

Published: January 26, 2026

Security Bulletin ID SB2026012667
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 67% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) XML External Entity injection (CVE-ID: CVE-2024-28757)

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

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


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input when using external parsers via XML_ExternalEntityParserCreate. A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.


2) Resource exhaustion (CVE-ID: CVE-2025-59375)

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. A remote attacker can trigger large dynamic memory allocations via a small document and perform a denial of service (DoS) attack.


3) Incorrect calculation (CVE-ID: CVE-2025-5372)

CWE-ID: CWE-682 - Incorrect Calculation

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


The vulnerability allows a remote user to perform MitM attack.

The vulnerability exist due to incorrect calculation within the ssh_kdf() function responsible for key derivation when built with OpenSSL versions older than 3.0. A remote user can compromise the integrity of the SSH session. 


Remediation

Install update from vendor's website.

References