CVE-2019-20093 Null dereference in n/a

Medium 5.5 Published 30 Dec 2019 Updated 5 Aug 2024

Remote attackers can cause a denial of service via a crafted file due to a NULL pointer dereference in the PoDoFo PDF library.

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-2019-20093?

CVE-2019-20093 is a medium-severity vulnerability in Fedoraproject Fedora, published on 30 Dec 2019. 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

The PoDoFo::PdfVariant::DelayedLoad function in PdfVariant.h in PoDoFo 0.9.6 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted file, because of ImageExtractor.cpp.

Weakness: CWE-476

Which versions are affected by CVE-2019-20093?

It affects 2 products.

Linux distribution packages (3)

`podofo` SUSE:Linux Enterprise Software Development Kit 12 SP5	All versions	`0.9.2-3.12.1`
`podofo` SUSE:Linux Enterprise Workstation Extension 12 SP5	All versions	`0.9.2-3.12.1`
`podofo` openSUSE:Leap 15.3	All versions	`0.9.6-150300.3.3.1`

Products include Fedoraproject Fedora, Podofo Project Podofo.

How do I fix CVE-2019-20093?

Apply the vendor's patch.

Is CVE-2019-20093 being exploited?

There is no known exploitation of CVE-2019-20093 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-20093, GHSA-9h85-988j-4f98, SUSE-SU-2022:1316-1, SUSE-SU-2022:1690-1.