What is CVE-2018-1936?

CVE-2018-1936 is a high-severity vulnerability in IBM Db2, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2019-04-03.

How severe is CVE-2018-1936?

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

Buffer overflow in IBM Db2

CVE-2018-1936

IBM DB2 9.7, 10.1, 10.5, and 11.1 libdb2e.so.1 is vulnerable to a stack based buffer overflow, caused by improper bounds checking which could allow an attacker to execute arbitrary code. IBM X-Force ID: 153316.

Vulnerability class: Buffer Overflow

Published 2019-04-03 · 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 (42.2th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.2% 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 10.1.0.6, 10.5.0.8, 9.7.0.7
Linux Kernel
Microsoft Windows

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.ibm.com/support/docview.wss (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/153316 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1936?: CVE-2018-1936 is a high-severity vulnerability in IBM Db2, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2019-04-03.
How severe is CVE-2018-1936?: High severity. CVSS v3 base score is 8.4 out of 10.