CVE-2026-3308: 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…

high7.8CVSS 3.1

AVLACLPRNUIRSUCHIHAH

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
artifex_software_inc_pymupdf	mupdf	<= 1.27.0	—
debian	mupdf	—	—

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

osv7.8HIGH