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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 5.0 | openjdk-6 | 6b11-9.1+lenny2 | DSA-1769-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | java-1.5.0-sun +5 | 1.5.0.18-1jpp.1.el5 | RHSA-2009:0394 |
| RHEL 5 | java-1.6.0-openjdk +4 | 1:1.6.0.0-0.30.b09.el5 | RHSA-2009:0377 |
| RHEL 5 | java-1.6.0-sun +5 | 1:1.6.0.13-1jpp.1.el5 | RHSA-2009:0392 |
| RHEL 4 | java-1.5.0-sun +5 | 1.5.0.18-1jpp.1.el4 | RHSA-2009:0394 |
| RHEL 4 | java-1.6.0-sun +5 | 1:1.6.0.13-1jpp.1.el4 | RHSA-2009:0392 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Network Satellite 5 | java-1.5.0-sun +1 | 1.5.0.22-1jpp.1.el4 | RHSA-2009:1662 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- Sun Java Applet - Font.createFont Remote Denial of Service EDB-27882 · dos · May 15, 2006 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 5
- RHSA-2009:1662 Red Hat Security Advisory: Red Hat Network Satellite Server Sun Java Runtime security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2009:0394 Red Hat Security Advisory: java-1.5.0-sun security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2009:0392 Red Hat Security Advisory: java-1.6.0-sun security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2009:0377 Red Hat Security Advisory: java-1.6.0-openjdk security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- DSA-1769-1 openjdk-6 - arbitrary code execution Debian Security (DSA / DLA) · Mar 9, 2026
References
- MDVSA-2009:137 vendor-advisory
- 34632 third-party-advisory
- 909 third-party-advisory
- http://www.illegalaccess.org/exploit/FullDiskApplet.html
- 34675 third-party-advisory
- 20060514 JDK 1.4.2_11, 1.5.0_06, unsigned applets consuming all free harddisk space mailing-list
- http://support.avaya.com/elmodocs2/security/ASA-2009-109.htm
- 20132 third-party-advisory
- oval:org.mitre.oval:def:10609 vdb-entry signature
- 34489 third-party-advisory
- RHSA-2009:0394 vendor-advisory
- 25561 vdb-entry
- 34495 third-party-advisory
- RHSA-2009:0377 vendor-advisory
- SUSE-SR:2006:012 vendor-advisory
- MDVSA-2009:162 vendor-advisory
- ADV-2006-1824 vdb-entry
- RHSA-2009:0392 vendor-advisory
- 34496 third-party-advisory
- sun-java-fontcreatefont-dos(26493) vdb-entry
- USN-748-1 vendor-advisory
- DSA-1769 vendor-advisory
- 17981 vdb-entry
- http://support.avaya.com/elmodocs2/security/ASA-2009-108.htm
- 20457 third-party-advisory