CVE-2020-19474 Use after free in n/a

Medium 5.5 Published 21 Jul 2021 Updated 4 Aug 2024

Attackers can cause a Denial of Service in PDF2JSON via a Use After Free vulnerability in the text display function.

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-2020-19474?

CVE-2020-19474 is a medium-severity use after free vulnerability in n/a, published on 21 Jul 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 has been found in function Gfx::doShowText in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to an Use After Free .

Weakness: CWE-416

Which versions are affected by CVE-2020-19474?

It affects 1 product.

Products include Flowpaper Pdf2json.

How do I fix CVE-2020-19474?

No fix has been published for CVE-2020-19474 yet. Limit exposure of the affected software until one is available.

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-2020-19474 being exploited?

There is no known exploitation of CVE-2020-19474 in the wild and no public exploit code.

Sources

Also known as GHSA-2f7q-2mvj-9cq2.