How severe is CVE-2008-4678?

CVE-2008-4678 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2008-4678 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4678?

CVE-2008-4678 primarily affects Ibm Websphere Application Server. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4678?

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-2008-4678 published?

CVE-2008-4678 was published on 2008-10-22 and last updated on 2026-06-16.

CVE-2008-4678

CVE-2008-4678 is a high-severity vulnerability in Ibm Websphere Application Server with a CVSS 2.0 base score of 7.8. 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-399.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Ibm Websphere Application Server
Published: 2008-10-22
Last modified: 2026-06-16

Description

The HTTP_Request_Parser method in the HTTP Transport component in IBM WebSphere Application Server (WAS) 6.0.2 before 6.0.2.31 allows remote attackers to cause a denial of service (controller 0C4 abend and application hang) via a long HTTP Host header, related to "storage overlay" on the stack and a "parse failure."

Frequently asked questions

What is CVE-2008-4678?: The HTTP_Request_Parser method in the HTTP Transport component in IBM WebSphere Application Server (WAS) 6.0.2 before 6.0.2.31 allows remote attackers to cause a denial of service (controller 0C4 abend and application hang) via a long HTTP Host header, related to "storage overlay" on the stack and a "parse failure."
How severe is CVE-2008-4678?: CVE-2008-4678 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2008-4678 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4678?: CVE-2008-4678 primarily affects Ibm Websphere Application Server. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4678?: 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-2008-4678 published?: CVE-2008-4678 was published on 2008-10-22 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:a:ibm:websphere_application_server:6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.13:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.15:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.17:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.19:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.23:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.25:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.27:*:*:*:*:*:*:*

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