What is CVE-2019-4094?

CVE-2019-4094 is a high-severity vulnerability in IBM Db2, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2019-03-21.

How severe is CVE-2019-4094?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in IBM Db2

CVE-2019-4094

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 binaries load shared libraries from an untrusted path potentially giving low privilege user full access to root by loading a malicious shared library. IBM X-Force ID: 158014.

Published 2019-03-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (32.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

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

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

References

www.ibm.com/support/docview.wss (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/158014 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2019-4094?: CVE-2019-4094 is a high-severity vulnerability in IBM Db2, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2019-03-21.
How severe is CVE-2019-4094?: High severity. CVSS v3 base score is 7.8 out of 10.