SB2026012045 - Multiple vulnerabilities in IBM DataPower Gateway 

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Main Vulnerability Database SB2026012045

SB2026012045 - Multiple vulnerabilities in IBM DataPower Gateway

Published: January 20, 2026

Security Bulletin ID SB2026012045
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-31498)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the read_answers() function. A remote attacker can send specially crafted ICMP UNREACHABLE packets to the application, trigger a use-after-free error and execute arbitrary code on the system.



2) Out-of-bounds read (CVE-ID: CVE-2024-25629)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the ares__read_line() function when parsing local configuration files, such as `/etc/resolv.conf`, `/etc/nsswitch.conf`, or `HOSTALIASES` file. A local user can insert a NULL character as the first character in a new line into one of the configuration files and crash the application.


Remediation

Install update from vendor's website.

References