CVE-2026-3308
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I. Basic Information for CVE-2026-3308
Vulnerability Information
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Vulnerability Title
CVE-2026-3308
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
artifex mupdf 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
artifex mupdf是个人开发者的一款富文本编辑器。富文本编辑器不同于文本编辑器，程序员可到网上下载免费的富文本编辑器内嵌于自己的网站或程序里（当然付费的功能会更强大些），方便用户编辑文章或信息。 Artifex MuPDF 1.27.0版本存在安全漏洞，该漏洞源于pdf_load_image_imp函数存在整数溢出，可能导致堆越界写入和任意代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Artifex Software Inc. *PyMuPDF* | MuPDF | 0 ~ 1.27.0 | - |
II. Public POCs for CVE-2026-3308
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: MuPDF
- CVE-2026-7233
Artifex MuPDF CFF Index subset-cff.c fz_subset_cff_for_gids - CVE-2026-40505
MuPDF < 1.27 mutool ANSI Injection via Metadata - CVE-2025-15569
Artifex MuPDF win_main.c get_system_dpi uncontrolled search - CVE-2026-25556
MuPDF <= 1.27.0 Barcode Decoding Double Free - CVE-2021-4216
Artifex Software MuPDF 数字错误漏洞
V. Comments for CVE-2026-3308
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