CVE-2006-4338 Denial of service in n/a

Medium 5.0 Published 19 Sep 2006 Updated 7 Aug 2024

Attackers can cause a denial of service via infinite loop in gzip's LHZ component by tricking users into opening a crafted archive.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2006-4338?

CVE-2006-4338 is a medium-severity denial of service vulnerability in n/a, published on 19 Sep 2006. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

unlzh.c in the LHZ component in gzip 1.3.5 allows context-dependent attackers to cause a denial of service (infinite loop) via a crafted GZIP archive.

Which versions are affected by CVE-2006-4338?

It affects 1 product.

Products include Gzip Gzip.

How do I fix CVE-2006-4338?

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-2006-4338 being exploited?

There is no known exploitation of CVE-2006-4338 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2006-4338, GHSA-pr85-6mjj-rj93.