How severe is CVE-2018-1978?

CVE-2018-1978 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-2018-1978 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-2018-1978?

CVE-2018-1978 primarily affects Ibm Db2. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1978?

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-2018-1978 published?

CVE-2018-1978 was published on 2019-03-11 and last updated on 2026-06-17.

CVE-2018-1978

CVE-2018-1978 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-119.

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-119
Affected product: Ibm Db2
Published: 2019-03-11
Last modified: 2026-06-17

Description

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-ForceID: 154069.

Frequently asked questions

What is CVE-2018-1978?: 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-ForceID: 154069.
How severe is CVE-2018-1978?: CVE-2018-1978 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-2018-1978 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-2018-1978?: CVE-2018-1978 primarily affects Ibm Db2. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1978?: 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-2018-1978 published?: CVE-2018-1978 was published on 2019-03-11 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:ibm:db2:9.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1:*:*:*:*:*:*:*

More vulnerabilities in Ibm Db2

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CVE-2010-3193 — Critical (CVSS 10.0): Unspecified vulnerability in the DB2STST program in IBM DB2 9.1 before FP9, 9.5 before FP6, and 9.7 before FP2 has…
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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