CVE-2025-27834 Memory corruption in n/a

High 7.8 Published Updated

A buffer overflow in Ghostscript allows attackers to execute arbitrary code or cause denial of service via a malicious PDF.

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-2025-27834?

CVE-2025-27834 is a high-severity memory corruption vulnerability in Artifex Ghostscript, published on 25 Mar 2025. 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 Artifex Ghostscript before 10.05.0. A buffer overflow occurs via an oversized Type 4 function in a PDF document to pdf/pdf_func.c.

Weakness: CWE-120

Which versions are affected by CVE-2025-27834?

It affects 1 product.

Products include Artifex Ghostscript.

How do I fix CVE-2025-27834?

Upgrade to a fixed version.

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

Is CVE-2025-27834 being exploited?

There is no known exploitation of CVE-2025-27834 in the wild and no public exploit code.

All Artifex Ghostscript vulnerabilities

Sources

Also known as ALPINE-CVE-2025-27834, BELL-CVE-2025-27834, DEBIAN-CVE-2025-27834, GHSA-62q7-445r-42wh, MINI-wg2p-2pf2-4j9x, UBUNTU-CVE-2025-27834.

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