What is CVE-2015-7422?

CVE-2015-7422 is a medium-severity vulnerability in IBM I Access, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2016-01-02.

How severe is CVE-2015-7422?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2015-7422 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in IBM I Access

CVE-2015-7422

Buffer overflow in IBM i Access 7.1 on Windows allows local users to cause a denial of service (application crash) via unspecified vectors.

Vulnerability class: Buffer Overflow

Published 2016-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

IBM I Access — versions 7.1
Microsoft Windows

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

References

www-01.ibm.com/support/docview.wss (Vendor Advisory)
www-01.ibm.com/support/docview.wss (vendor-advisory)

Frequently asked questions

What is CVE-2015-7422?: CVE-2015-7422 is a medium-severity vulnerability in IBM I Access, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2016-01-02.
How severe is CVE-2015-7422?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2015-7422 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.