CVE-2009-2624 Memory corruption in n/a

Medium 6.8 Published 29 Jan 2010 Updated 7 Aug 2024

Remote attackers can cause denial of service or execute arbitrary code via a crafted archive due to a buffer overflow in the gzip library.

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-2009-2624?

CVE-2009-2624 is a medium-severity memory corruption vulnerability in n/a, published on 29 Jan 2010. 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

The huft_build function in inflate.c in gzip before 1.3.13 creates a hufts (aka huffman) table that is too small, which allows remote attackers to cause a denial of service (application crash or infinite loop) or possibly execute arbitrary code via a crafted archive. NOTE: this issue is caused by a CVE-2006-4334 regression.

Weakness: CWE-20

Which versions are affected by CVE-2009-2624?

It affects 1 product.

Products include Gnu Gzip.

How do I fix CVE-2009-2624?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2009-2624 being exploited?

There is no known exploitation of CVE-2009-2624 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2009-2624, GHSA-fx63-8q93-pfr5.