CVE-2016-9844 Memory corruption in n/a

Medium 4.0 Published Updated

Remote attackers can cause a denial of service via a buffer overflow in Info-Zip UnZip by using a large compression method value.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2016-9844?

CVE-2016-9844 is a medium-severity memory corruption vulnerability in n/a, published on 18 Jan 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow in the zi_short function in zipinfo.c in Info-Zip UnZip 6.0 allows remote attackers to cause a denial of service (crash) via a large compression method value in the central directory file header.

Weakness: CWE-119

Which versions are affected by CVE-2016-9844?

It affects 1 product.

Products include Unzip Project Unzip.

How do I fix CVE-2016-9844?

Apply the vendor's patch.

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

Is CVE-2016-9844 being exploited?

There is no known exploitation of CVE-2016-9844 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2016-9844, AZL-35338, AZL-6940, DEBIAN-CVE-2016-9844, GHSA-r3pw-cm89-hq37, UBUNTU-CVE-2016-9844.

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