Vulnerability · Published Oct 7, 2025 · Assigned by ibm

CVE-2025-36156IBM InfoSphere Data Replication VSAM for z/OS Remote Source code execution

High 7.4

In plain English

A high-severity memory corruption in InfoSphere Data Replication VSAM for z/OS Remote Source from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.1%top 97.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

IBM InfoSphere Data Replication VSAM for z/OS Remote Source 11.4 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local user with access to the files storing CECSUB or CECRM on the container could overflow the buffer and execute arbitrary code on the system.

Affected products (as reported)

VendorProductVersions
IBM InfoSphere Data Replication VSAM for z/OS Remote Source 0 – through 11.4

Weakness: CWE-119 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References