EIP-2026-103411

PRE-CVE

Apple Safari (webkit) (iPhone/OSX/Windows) - Remote Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103411. PoCs published by Georgi Guninski.

AI-analyzed exploit summary This exploit leverages a memory corruption vulnerability in Safari (Win32/OSX) and iPhone firmware 1.1.4 by generating a large string with extended ASCII characters, causing a crash or lockup. It is derived from an older Firefox vulnerability (milw0rm.com/exploits/1233) and uses JavaScript to manipulate strings and trigger the issue.

Description

Apple Safari (webkit) (iPhone/OSX/Windows) - Remote Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by Georgi Guninski · htmldosmultiple
https://www.exploit-db.com/exploits/5268

This exploit leverages a memory corruption vulnerability in Safari (Win32/OSX) and iPhone firmware 1.1.4 by generating a large string with extended ASCII characters, causing a crash or lockup. It is derived from an older Firefox vulnerability (milw0rm.com/exploits/1233) and uses JavaScript to manipulate strings and trigger the issue.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Safari (Win32/OSX), iPhone firmware 1.1.4
No auth needed
Prerequisites: Victim must visit a malicious webpage or open the HTML file in a vulnerable browser
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026