CVE-1999-0926

Apache HTTP Server - Denial of Service via Large Number of MIME Headers

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0926. PoCs published by L.Facq.

AI-analyzed exploit summary This Perl script exploits a denial-of-service vulnerability in Apache Web Server (and other servers) by flooding the target with large MIME headers (8000 bytes each), causing memory and CPU exhaustion. The script establishes a TCP connection to the target and sends an excessive number of headers until the server crashes or the specified limit is reached.

Description

Apache allows remote attackers to conduct a denial of service via a large number of MIME headers.

Exploits (1)

exploitdb WORKING POC VERIFIED
by L.Facq · perldoswindows
https://www.exploit-db.com/exploits/20272

This Perl script exploits a denial-of-service vulnerability in Apache Web Server (and other servers) by flooding the target with large MIME headers (8000 bytes each), causing memory and CPU exhaustion. The script establishes a TCP connection to the target and sends an excessive number of headers until the server crashes or the specified limit is reached.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Apache Web Server (versions up to 1.3.1), MessageMedia UnityMail, and potentially other web servers
No auth needed
Prerequisites: Network access to the target server · Perl environment to run the script
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Vendor Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/1998_3/0742.html

Scores

EPSS 0.0945
EPSS Percentile 94.8%

Details

Status published
Products (1)
apache/http_server 1.2.5
Published Sep 03, 1999
Tracked Since Feb 18, 2026