CVE-2004-0493: Buffer Overflow
The apgetmimeheaderscore 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.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2004-0493?
CVE-2004-0493 is classified as a moderate severity vulnerability due to its potential for causing denial of service.
How do I fix CVE-2004-0493?
To fix CVE-2004-0493, upgrade to a patched version of Apache HTTP Server or apply the recommended security patches.
What are the main impacts of CVE-2004-0493?
The main impacts of CVE-2004-0493 include memory exhaustion and possible integer signedness errors leading to heap-based buffer overflow.
Which software versions are affected by CVE-2004-0493?
CVE-2004-0493 affects several versions of Apache HTTP Server and other related systems including Trustix Secure Linux and IBM HTTP Server.
Can I mitigate CVE-2004-0493 without a patch?
While the best solution is to apply a patch, you may mitigate CVE-2004-0493 by limiting header line lengths and disabling unused HTTP features.