EIP-2026-102623

PRE-CVE

Kamailio 5.1.1 / 5.1.0 / 5.0.0 - Off-by-One Heap Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-102623. PoCs published by EnableSecurity.

AI-analyzed exploit summary This is a working proof-of-concept exploit for an off-by-one heap overflow vulnerability in Kamailio. It sends a specially crafted SIP REGISTER message with an overly long 'From tag' to trigger a denial-of-service condition.

Description

Kamailio 5.1.1 / 5.1.0 / 5.0.0 - Off-by-One Heap Overflow

Exploits (1)

exploitdb WORKING POC
by EnableSecurity · pythondoslinux
https://www.exploit-db.com/exploits/44316

This is a working proof-of-concept exploit for an off-by-one heap overflow vulnerability in Kamailio. It sends a specially crafted SIP REGISTER message with an overly long 'From tag' to trigger a denial-of-service condition.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Kamailio versions 5.1.1, 5.1.0, 5.0.0 and earlier
No auth needed
Prerequisites: Network access to the Kamailio SIP server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026