CVE-2001-1491

Opera 5.11 - Denial of Service via Large Number of Images

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2001-1491. PoCs published by Pavel Titov.

AI-analyzed exploit summary This exploit demonstrates a denial-of-service (DoS) vulnerability in multiple web browsers on Microsoft Windows platforms by generating an excessive number of image tags via JavaScript, causing resource exhaustion.

Description

Opera 5.11 allows remote attackers to cause a denial of service (CPU consumption and memory leak) via a web page with a large number of images.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Pavel Titov · textdosmultiple
https://www.exploit-db.com/exploits/21181

This exploit demonstrates a denial-of-service (DoS) vulnerability in multiple web browsers on Microsoft Windows platforms by generating an excessive number of image tags via JavaScript, causing resource exhaustion.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Multiple web browsers on Microsoft Windows (specific versions not specified)
No auth needed
Prerequisites: Victim must visit a webpage containing the malicious script
mistral-large-3 · analyzed Feb 18, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/7709
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/245152
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/3684

Scores

EPSS 0.0697
EPSS Percentile 93.4%

Details

Status published
Products (1)
opera_software/opera_web_browser 5.1.1
Published Dec 31, 2001
Tracked Since Feb 18, 2026