CVE-2026-3308: Integer Overflow
An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdfloadimageimp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-3308?
CVE-2026-3308 is considered a critical severity vulnerability due to the potential for arbitrary code execution through heap out-of-bounds writes.
How do I fix CVE-2026-3308?
To fix CVE-2026-3308, update Artifex's MuPDF to a version later than 1.27.0 where the integer overflow vulnerability has been resolved.
What are the potential impacts of CVE-2026-3308?
The potential impacts of CVE-2026-3308 include remote code execution and unauthorized access to system resources via maliciously crafted PDF files.
Which versions of MuPDF are affected by CVE-2026-3308?
CVE-2026-3308 affects MuPDF version 1.27.0 specifically, allowing an integer overflow issue.
Is CVE-2026-3308 exploitable in all environments?
Exploitation of CVE-2026-3308 may vary depending on the environment and configuration, but it poses a significant risk when handling untrusted PDF files.