How severe is CVE-2004-0488?

CVE-2004-0488 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2004-0488 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0488?

CVE-2004-0488 primarily affects Apache Http Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-0488?

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-2004-0488 published?

CVE-2004-0488 was published on 2004-07-07 and last updated on 2026-06-16.

CVE-2004-0488

CVE-2004-0488 is a high-severity vulnerability in Apache Http Server with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 38% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 38% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Apache Http Server
Published: 2004-07-07
Last modified: 2026-06-16

Description

Stack-based buffer overflow in the ssl_util_uuencode_binary function in ssl_util.c for Apache mod_ssl, when mod_ssl is configured to trust the issuing CA, may allow remote attackers to execute arbitrary code via a client certificate with a long subject DN.

Frequently asked questions

What is CVE-2004-0488?: Stack-based buffer overflow in the ssl_util_uuencode_binary function in ssl_util.c for Apache mod_ssl, when mod_ssl is configured to trust the issuing CA, may allow remote attackers to execute arbitrary code via a client certificate with a long subject DN.
How severe is CVE-2004-0488?: CVE-2004-0488 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2004-0488 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0488?: CVE-2004-0488 primarily affects Apache Http Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0488?: 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-2004-0488 published?: CVE-2004-0488 was published on 2004-07-07 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:2.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:2.0:*:*:*:*:*:*:*

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