CVE-2009-0166 Use after free in n/a

Medium 4.3 Published 23 Apr 2009 Updated 7 Aug 2024

Remote attackers can cause a denial of service via a crafted PDF file triggering a free of uninitialized memory in the JBIG2 decoder.

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-2009-0166?

CVE-2009-0166 is a medium-severity use after free vulnerability in Apple Cups, published on 23 Apr 2009. 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 JBIG2 decoder in Xpdf 3.02pl2 and earlier, CUPS 1.3.9 and earlier, and other products allows remote attackers to cause a denial of service (crash) via a crafted PDF file that triggers a free of uninitialized memory.

Weakness: CWE-399

Which versions are affected by CVE-2009-0166?

It affects 4 products.

Products include Apple Cups, Foolabs Xpdf, Glyphandcog Xpdfreader, Poppler Poppler.

How do I fix CVE-2009-0166?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2009-0166 being exploited?

There is no known exploitation of CVE-2009-0166 in the wild and no public exploit code.

All Apple Cups vulnerabilities

Sources

Also known as DEBIAN-CVE-2009-0166, GHSA-7727-7vvq-m43f.