CVE-2016-4796 Memory corruption in n/a

Medium 5.5 Published Updated

Remote attackers can cause a denial of service via a crafted .j2k file due to a heap-based buffer overflow in OpenJPEG.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2016-4796?

CVE-2016-4796 is a medium-severity memory corruption vulnerability in Fedoraproject Fedora, published on 3 Feb 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Heap-based buffer overflow in the color_cmyk_to_rgb in common/color.c in OpenJPEG before 2.1.1 allows remote attackers to cause a denial of service (crash) via a crafted .j2k file.

Weakness: CWE-119

Which versions are affected by CVE-2016-4796?

It affects 2 products.

Products include Fedoraproject Fedora, Uclouvain Openjpeg.

How do I fix CVE-2016-4796?

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-2016-4796 being exploited?

There is no known exploitation of CVE-2016-4796 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-4796, GHSA-2mcf-r7v5-r97j.

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