EIP-2026-103609

PRE-CVE

Opera 9.10 - 'alert()' Remote Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103609. PoCs published by Dj7xpl.

AI-analyzed exploit summary This exploit demonstrates a remote denial-of-service (DoS) vulnerability in Opera Version 9.10 by triggering a buffer overflow via an excessively long string passed to the `alert()` function in JavaScript.

Description

Opera 9.10 - 'alert()' Remote Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by Dj7xpl · htmldosmultiple
https://www.exploit-db.com/exploits/3871

This exploit demonstrates a remote denial-of-service (DoS) vulnerability in Opera Version 9.10 by triggering a buffer overflow via an excessively long string passed to the `alert()` function in JavaScript.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Opera Version 9.10
No auth needed
Prerequisites: Victim must open the malicious HTML file in Opera Version 9.10
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026