How severe is CVE-2018-1936?

CVE-2018-1936 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1936 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1936?

CVE-2018-1936 primarily affects Ibm Db2. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1936?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-1936 published?

CVE-2018-1936 was published on 2019-04-03 and last updated on 2026-06-17.

CVE-2018-1936

CVE-2018-1936 is a high-severity vulnerability in Ibm Db2 with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v2: 7.2
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Ibm Db2
Published: 2019-04-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-1936?: CVE-2018-1936 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1936 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1936?: CVE-2018-1936 primarily affects Ibm Db2. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1936?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1936 published?: CVE-2018-1936 was published on 2019-04-03 and last updated on 2026-06-17.

References

Affected products (35)

cpe:2.3:a:ibm:db2:9.7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.8:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.8:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.4.4:*:*:*:*:*:*:*

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CVE-2009-4335 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in bundled stored procedures in the Spatial Extender component in IBM DB2 9.5…
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