CVE-2026-3308

HIGH

MuPDF < 1.27.0 - Integer Overflow in pdf-image.c via pdf_load_image_imp

Title source: llm
STIX 2.1

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.

References (5)

Core 5

Scores

CVSS v3 7.8
EPSS 0.0021
EPSS Percentile 11.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-190
Status published
Products (1)
Artifex Software Inc. *PyMuPDF*/MuPDF < 1.27.0
Published Mar 31, 2026
Tracked Since Mar 31, 2026