Vulnerability Monitor

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CVE-2004-0493


The ap_get_mime_headers_core function in Apache httpd 2.0.49 allows remote attackers to cause a denial of service (memory exhaustion), and possibly an integer signedness error leading to a heap-based buffer overflow on 64 bit systems, via long header lines with large numbers of space or tab characters.


Security Impact Summary

CVE-2004-0493 is a security vulnerability that . Impacting 8 products from avaya, from gentoo, from trustix and 5 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2004, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.


Published

2004-08-06T04:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

4.9

Weaknesses
  • Type: Primary
    NVD-CWE-Other

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Hardware avaya converged_communications_server 2.0 Yes
Operating System gentoo linux 1.4 Yes
Operating System trustix secure_linux 1.5 Yes
Operating System trustix secure_linux 2.0 Yes
Operating System trustix secure_linux 2.1 Yes
Application apache http_server 2.0.47 Yes
Application apache http_server 2.0.48 Yes
Application apache http_server 2.0.49 Yes
Application ibm http_server 2.0.42 Yes
Application ibm http_server 2.0.42.1 Yes
Application ibm http_server 2.0.42.2 Yes
Application ibm http_server 2.0.47 Yes
Application ibm http_server 2.0.47.1 Yes
Hardware avaya s8300 r2.0.0 Yes
Hardware avaya s8500 r2.0.0 Yes
Hardware avaya s8700 r2.0.0 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For avaya's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.