CVE-2025-36156
CVE-2025-36156 is a high-severity vulnerability in Ibm Infosphere Data Replication Vsam For Z/os Remote Source with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 7.4)
- EPSS exploit prediction: 0% (2nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-31938
- Weakness: CWE-119
- Affected product: Ibm Infosphere Data Replication Vsam For Z/os Remote Source
- Published:
- Last modified:
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.
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.
- How severe is CVE-2025-36156?
- CVE-2025-36156 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-36156 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-36156?
- CVE-2025-36156 affects Ibm Infosphere Data Replication Vsam For Z/os Remote Source. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-36156?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-36156 have an EU (EUVD) identifier?
- Yes. CVE-2025-36156 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31938.
- When was CVE-2025-36156 published?
- CVE-2025-36156 was published on 2025-10-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:ibm:infosphere_data_replication_vsam_for_z\/os_remote_source:11.4:*:*:*:*:*:*:*
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