CVE-2025-36156: infosphere data Buffer Overflow — Fix

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.

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CVSS v3.1 Score

7.4

HIGH

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-119 Buffer Overflow

Affected Products

Vendor	Product	Versions
ibm	infosphere_data_replication_vsam_for_z\/os_remote_source	All

References

Advisories & Patches

https://www.ibm.com/support/pages/node/7247224

Frequently Asked Questions

What is CVE-2025-36156? +

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. It has a CVSS v3.1 base score of 7.4 (HIGH).

How severe is CVE-2025-36156? +

CVE-2025-36156 has a CVSS v3.1 score of 7.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-36156? +

CVE-2025-36156 affects products from ibm, specifically: infosphere_data_replication_vsam_for_z\/os_remote_source. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-36156? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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