EIP-2026-103403
PRE-CVEApache 2.0.49 - Arbitrary Long HTTP Headers Denial of Service
Title source: legacyExploitation Summary
EIP tracks 1 public exploit for EIP-2026-103403. PoCs published by Qnix.
AI-analyzed exploit summary This Perl script exploits a denial-of-service (DoS) vulnerability in Apache HTTPd versions prior to 2.0.49 by sending an excessive number of long HTTP headers. The exploit floods the target with malformed headers to crash the service.
Description
Apache 2.0.49 - Arbitrary Long HTTP Headers Denial of Service
Exploits (1)
exploitdb
WORKING POC
VERIFIED
by Qnix · perldosmultiple
https://www.exploit-db.com/exploits/1056
This Perl script exploits a denial-of-service (DoS) vulnerability in Apache HTTPd versions prior to 2.0.49 by sending an excessive number of long HTTP headers. The exploit floods the target with malformed headers to crash the service.
Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target:
Apache HTTPd < 2.0.49
No auth needed
Prerequisites:
Network access to the target Apache server
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026
Full analysis →
Details
Status
pre_cve
Tracked Since
Feb 18, 2026