CVE-2008-5715

Firefox - Denial of Service via Long Location Hash String

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-5715. PoCs published by Jeremy Brown.

AI-analyzed exploit summary This Perl script generates an HTML file that exploits a denial-of-service vulnerability in Mozilla Firefox 3.0.5 by setting an excessively long string to location.hash, causing a crash.

Description

Mozilla Firefox 3.0.5 on Windows Vista allows remote attackers to cause a denial of service (application crash) via JavaScript code with a long string value for the hash property (aka location.hash). NOTE: it was later reported that earlier versions are also affected, and that the impact is CPU consumption and application hang in unspecified circumstances perhaps involving other platforms.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Jeremy Brown · perldoswindows
https://www.exploit-db.com/exploits/7554

This Perl script generates an HTML file that exploits a denial-of-service vulnerability in Mozilla Firefox 3.0.5 by setting an excessively long string to location.hash, causing a crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Mozilla Firefox 3.0.5
No auth needed
Prerequisites: None
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Various Sources x_refsource_misc
http://websecurity.com.ua/3424/
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/51032
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/47572
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/4807
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/506006/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/32988
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/7554

Scores

EPSS 0.0850
EPSS Percentile 94.3%

Details

CWE
CWE-20
Status published
Products (1)
mozilla/firefox 3.0.5
Published Dec 24, 2008
Tracked Since Feb 18, 2026