What is CVE-2018-1922?

CVE-2018-1922 is a high-severity vulnerability in IBM Db2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.4/10. Published 2019-03-11.

How severe is CVE-2018-1922?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in IBM Db2

CVE-2018-1922

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 is affected by buffer overflow vulnerability that can potentially result in arbitrary code execution. IBM X-Force ID: 152858.

Vulnerability class: Buffer Overflow

Published 2019-03-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (44.2th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

IBM Db2 — versions 9.7, 10.1, 10.5
IBM Db2 For Linux, Unix And Windows — versions 9.7, 10.5, 10.1
Linux Kernel
Microsoft Windows

Weakness classification (CWE)

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

References

exchange.xforce.ibmcloud.com/vulnerabilities/152858 (VDB Entry, vdb-entry, Vendor Advisory)
www.ibm.com/support/docview.wss (Patch, Vendor Advisory)
www.securityfocus.com/bid/107398 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-1922?: CVE-2018-1922 is a high-severity vulnerability in IBM Db2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.4/10. Published 2019-03-11.
How severe is CVE-2018-1922?: High severity. CVSS v3 base score is 8.4 out of 10.