CVE-2018-1000039 Use after free in n/a

Medium 6.3 Published 24 May 2018 Updated 5 Aug 2024

Heap use-after-free bugs in MuPDF allow attackers to execute code, read memory, or cause denial of service via crafted PDF files.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-1000039?

CVE-2018-1000039 is a medium-severity use after free vulnerability in Artifex Mupdf, published on 24 May 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In Artifex MuPDF 1.12.0 and earlier, multiple heap use after free bugs in the PDF parser could allow an attacker to execute arbitrary code, read memory, or cause a denial of service via a crafted file.

Weakness: CWE-416

Which versions are affected by CVE-2018-1000039?

It affects 1 product.

Products include Artifex Mupdf.

How do I fix CVE-2018-1000039?

Upgrade to a fixed version.

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-2018-1000039 being exploited?

There is no known exploitation of CVE-2018-1000039 in the wild and no public exploit code.

All Artifex Mupdf vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-1000039, GHSA-mv25-m6g9-hcg7, UBUNTU-CVE-2018-1000039.