CVE-2009-1100 Denial of service in n/a

Medium 5.0 Published 25 Mar 2009 Updated 7 Aug 2024

Remote attackers can cause denial of service via disk consumption through temporary font files in Java Runtime Environment.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2009-1100?

CVE-2009-1100 is a medium-severity denial of service vulnerability in Sun Jdk, published on 25 Mar 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple unspecified vulnerabilities in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 17 and earlier, and 6 Update 12 and earlier, allow remote attackers to cause a denial of service (disk consumption) via vectors related to temporary font files and (1) "limits on Font creation," aka CR 6522586, and (2) another unspecified vector, aka CR 6632886.

Which versions are affected by CVE-2009-1100?

It affects 2 products.

Products include Sun Jdk, Sun Jre.

How do I fix CVE-2009-1100?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2009-1100 being exploited?

There is no known exploitation of CVE-2009-1100 in the wild and no public exploit code.

All Sun Jdk vulnerabilities

Sources

Also known as GHSA-mh7w-frv3-83jh.