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 untruste…

published 2019-03-19 7y ago modified 2026-06-17 4mo ago also EUVD-2019-13701

cvss: 8.4; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

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.

Patch / fix

links 1

ibm.com/support/docview.wss?uid=ibm10875860 advisory

Is CVE-2019-4094 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.4	CVSS:3.0/PR:N/A:H/S:U/I:H/AC:L/C:H/AV:L/UI:N/E:U/RC:C/RL:O
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.0	8.4	CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

IBM DB2 for Linux, UNIX and Windows

Classification

Weakness

CWE-427 Uncontrolled Search Path Element

Technology feeds

IBM Db2 rss critical rss

References

ibm.com /support/docview.wss?uid=ibm10875860
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/158014
vdb-entry, vendor-advisory

Sources

CVE List CVE-2019-4094
NVD CVE-2019-4094

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.