CVE-2006-2426

Sun JDK and JRE <= 1.5.0_6 - Denial of Service via Font.createFont Temporary File Creation

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-2426. PoCs published by Marc Schoenefeld.

AI-analyzed exploit summary This exploit leverages a vulnerability in Sun Java's font creation mechanism to trigger unbounded disk space consumption by creating a temporary file that grows indefinitely. The PoC uses a custom InputStream to manipulate the Font.createFont method, leading to a denial-of-service condition.

Description

Sun Java Runtime Environment (JRE) 1.5.0_6 and earlier, JDK 1.5.0_6 and earlier, and SDK 1.5.0_6 and earlier allows remote attackers to cause a denial of service (disk consumption) by using the Font.createFont function to create temporary files of arbitrary size in the %temp% directory.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Marc Schoenefeld · javadosjava

https://www.exploit-db.com/exploits/27882

View Code ZIP pw:eip

This exploit leverages a vulnerability in Sun Java's font creation mechanism to trigger unbounded disk space consumption by creating a temporary file that grows indefinitely. The PoC uses a custom InputStream to manipulate the Font.createFont method, leading to a denial-of-service condition.

Classification

Working Poc 90%

Attack Type

Dos

Complexity

Trivial

Reliability

Reliable

Target: Sun Java JDK 1.4.2_11 and 1.5.0_06

No auth needed

Prerequisites: Victim must execute the malicious Java applet

MITRE ATT&CK

T1499 - Endpoint Denial of Service

devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (25)

Core 25

Core References

Exploit x_refsource_misc

http://www.illegalaccess.org/exploit/FullDiskApplet.html

Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq

http://www.securityfocus.com/archive/1/434001/100/0/threaded

Vendor Advisory vendor-advisory x_refsource_mandriva

http://www.mandriva.com/security/advisories?name=MDVSA-2009:137

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/34632

Third Party Advisory third-party-advisory x_refsource_sreason

http://securityreason.com/securityalert/909

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/34675

Vendor Advisory x_refsource_confirm

http://support.avaya.com/elmodocs2/security/ASA-2009-109.htm

Vendor Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/20132

Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10609

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/34489

Vendor Advisory vendor-advisory x_refsource_redhat

http://www.redhat.com/support/errata/RHSA-2009-0394.html

Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb

http://www.osvdb.org/25561

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/34495

Vendor Advisory vendor-advisory x_refsource_redhat

https://rhn.redhat.com/errata/RHSA-2009-0377.html

Vendor Advisory vendor-advisory x_refsource_suse

http://www.novell.com/linux/security/advisories/2006-06-02.html

Vendor Advisory vendor-advisory x_refsource_mandriva

http://www.mandriva.com/security/advisories?name=MDVSA-2009:162

Third Party Advisory vdb-entry x_refsource_vupen

http://www.vupen.com/english/advisories/2006/1824

Vendor Advisory vendor-advisory x_refsource_redhat

http://www.redhat.com/support/errata/RHSA-2009-0392.html

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/34496

Third Party Advisory, VDB Entry vdb-entry x_refsource_xf

https://exchange.xforce.ibmcloud.com/vulnerabilities/26493

Vendor Advisory vendor-advisory x_refsource_ubuntu

http://www.ubuntu.com/usn/usn-748-1

Third Party Advisory vendor-advisory x_refsource_debian

http://www.debian.org/security/2009/dsa-1769

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/17981

Vendor Advisory x_refsource_confirm

http://support.avaya.com/elmodocs2/security/ASA-2009-108.htm

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/20457

Scores

EPSS 0.1269

EPSS Percentile 95.7%

Details

Status published

Products (3)

sun/jdk 1.5.0 update6

sun/jre 1.5.0 update6

sun/sdk 1.5.0_6

Published May 17, 2006

Tracked Since Feb 18, 2026