IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 is vulnerable to a buffer overflow, which could…

published 2019-04-03 7y ago modified 2026-06-17 4mo ago also EUVD-2019-13621

cvss: 8.4; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 43%
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 is vulnerable to a buffer overflow, which could allow an authenticated local attacker to execute arbitrary code on the system as root. IBM X-Force ID: 155892.

Patch / fix

links 1

ibm.com/support/docview.wss?uid=ibm10878793 advisory

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Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

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

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

Technology feeds

IBM Db2 rss critical rss

References

ibm.com /support/docview.wss?uid=ibm10878793
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/155892
vdb-entry, vendor-advisory

Sources

CVE List CVE-2019-4014
NVD CVE-2019-4014

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