CVE-2021-39539 Null dereference in n/a

Medium 5.5 Published Updated

A NULL pointer dereference in the pdftools library allows attackers to cause a denial of service via crafted PDF files.

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
None listed

What is CVE-2021-39539?

CVE-2021-39539 is a medium-severity vulnerability in n/a, published on 20 Sep 2021. 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

An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function node::BDCNode::~BDCNode() located in bdcnode.cpp. It allows an attacker to cause Denial of Service.

Weakness: CWE-476

Which versions are affected by CVE-2021-39539?

It affects 1 product.

Products include Pdftools Project Pdftools.

How do I fix CVE-2021-39539?

No fix has been published for CVE-2021-39539 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-39539 being exploited?

There is no known exploitation of CVE-2021-39539 in the wild and no public exploit code.

Sources

Also known as GHSA-8qq6-rp62-86qv.

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