How severe is CVE-2008-6821?

CVE-2008-6821 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2008-6821 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-6821?

CVE-2008-6821 primarily affects Ibm Db2. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-6821?

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

When was CVE-2008-6821 published?

CVE-2008-6821 was published on 2009-06-03 and last updated on 2026-06-16.

CVE-2008-6821

CVE-2008-6821 is a critical-severity vulnerability in Ibm Db2 with a CVSS 2.0 base score of 10.0. 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: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Ibm Db2
Published: 2009-06-03
Last modified: 2026-06-16

Description

Buffer overflow in the DAS server in IBM DB2 8 before FP17, 9.1 before FP5, and 9.5 before FP2 might allow attackers to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors, a different vulnerability than CVE-2007-3676 and CVE-2008-3853.

Frequently asked questions

What is CVE-2008-6821?: Buffer overflow in the DAS server in IBM DB2 8 before FP17, 9.1 before FP5, and 9.5 before FP2 might allow attackers to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors, a different vulnerability than CVE-2007-3676 and CVE-2008-3853.
How severe is CVE-2008-6821?: CVE-2008-6821 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2008-6821 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-6821?: CVE-2008-6821 primarily affects Ibm Db2. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-6821?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2008-6821 published?: CVE-2008-6821 was published on 2009-06-03 and last updated on 2026-06-16.

References

Affected products (15)

cpe:2.3:a:ibm:db2:8.0:fp1:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:8.0:fp10:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:8.0:fp11:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:8.0:fp12:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:8.0:fp13:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:8.0:fp14:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:8.0:fp15:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:8.0:fp16:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.1:fp1:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.1:fp2:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.1:fp3:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.1:fp3a:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.1:fp4:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.1:fp4a:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.5:fp1:*:*:*:*:*:*

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