CVE-2026-3308
High
Description
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 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.
SeverityHigh
CVSS7.8
Exploit probability—
ProductMuPDF
PublishedMar 31, 2026
First seenMar 31, 2026
Weakness typeCWE-190Integer overflow
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Artifex Software Inc. *PyMuPDF* MuPDF | v ≤ 1.27.0 | — |
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