CVE-2023-31556 Memory corruption in n/a

High 8.8 Published 10 May 2023 Updated 27 Jan 2025

A segmentation violation in podofoinfo allows attackers to cause a denial of service via crafted PDF 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: None listed

What is CVE-2023-31556?

CVE-2023-31556 is a high-severity memory corruption vulnerability in Podofo Project Podofo, published on 10 May 2023. 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

podofoinfo 0.10.0 was discovered to contain a segmentation violation via the function PoDoFo::PdfDictionary::findKeyParent.

Weakness: CWE-787

Which versions are affected by CVE-2023-31556?

It affects 1 product.

Products include Podofo Project Podofo.

How do I fix CVE-2023-31556?

No fix has been published for CVE-2023-31556 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-31556 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-31556 exists.

All Podofo Project Podofo vulnerabilities

Sources

Also known as GHSA-r738-vmx2-9fp4.