Is CVE-2004-0493 actively exploited?

CVE-2004-0493 has no public evidence of in-the-wild exploitation as of 2025-04-03.

What is the CVSS score for CVE-2004-0493?

CVE-2004-0493 has a CVSS score of 6.4 (UNKNOWN severity). Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P.

How do I patch CVE-2004-0493?

Patch guidance is available from avaya security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2004-0493.

CVE-2004-0493 - remediation guidance & executive summary

Q: Which products are affected by CVE-2004-0493?

16 products: avaya converged communications server, gentoo linux, trustix secure linux, trustix secure linux, trustix secure linux, and 11 more.

Description

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.

CVSS Metrics

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P
Access Vector: network
Access Cmplx: low
Auth: none
Confidentiality: none
Integrity: partial
Availability: partial
Weaknesses: NVD-CWE-Other

Metadata

Primary Vendor: AVAYA
Published: 8/6/2004
Last Modified: 4/3/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

avaya : converged_communications_servergentoo : linuxtrustix : secure_linuxtrustix : secure_linuxtrustix : secure_linuxapache : http_serverapache : http_serverapache : http_serveribm : http_serveribm : http_serveribm : http_serveribm : http_serveribm : http_serveravaya : s8300avaya : s8500avaya : s8700

Remediation Guidance

Executive Summary

View on NIST NVD