CVE-2018-18443 Denial of service in n/a

Medium 4.3 Published Updated

A memory leak in the ThreadPool component of OpenEXR allows attackers to cause a denial of service via crafted image files.

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-2018-18443?

CVE-2018-18443 is a medium-severity denial of service vulnerability in n/a, published on 17 Oct 2018. 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

OpenEXR 2.3.0 has a memory leak in ThreadPool in IlmBase/IlmThread/IlmThreadPool.cpp, as demonstrated by exrmultiview.

Weakness: CWE-772

Which versions are affected by CVE-2018-18443?

It affects 1 product.

Products include Ilm Openexr.

How do I fix CVE-2018-18443?

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-2018-18443 being exploited?

There is no known exploitation of CVE-2018-18443 in the wild and no public exploit code.

Sources

Also known as AZL-44604, DEBIAN-CVE-2018-18443, GHSA-pfc3-fmmp-mxgw, MGASA-2020-0114.

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