SB2026020412 - Multiple vulnerabilities in IBM InfoSphere Information Server

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Main Vulnerability Database SB2026020412

SB2026020412 - Multiple vulnerabilities in IBM InfoSphere Information Server

Published: February 4, 2026

Security Bulletin ID SB2026020412
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) Out-of-bounds read (CVE-ID: CVE-2025-12183)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service attack.

The vulnerability exists due to a boundary condition. A remote attacker can pass specially crafted compressed input to the application, trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service attack.


2) Information disclosure (CVE-ID: CVE-2025-66566)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

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


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

The vulnerability exists due to the application insufficiently clears the output buffer in Java-based decompressor implementations. In applications where the output buffer is reused without being cleared, this may lead to disclosure of sensitive data.

Note, JNI-based implementations are not affected.


Remediation

Install update from vendor's website.

References