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CVE-2021-4216

Quick assessment

Affected
n/a mupdf
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Artifex Software MuPDF是美国Artifex Software公司的一款免费的、轻量级的PDF阅读器。 Artifex Software MuPDF 存在安全漏洞，该漏洞源于其muraster.c组件的0宽度页面存在浮点数异常（被0除）。

AI Predicted 3.3 Difficulty: Moderate EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-4216

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A Floating point exception (division-by-zero) flaw was found in Mupdf for zero width pages in muraster.c. It is fixed in Mupdf-1.20.0-rc1 upstream.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
除零错误
Source: CVE Program / CVE List V5
Vulnerability Title
Artifex Software MuPDF 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Artifex Software MuPDF是美国Artifex Software公司的一款免费的、轻量级的PDF阅读器。 Artifex Software MuPDF 存在安全漏洞，该漏洞源于其muraster.c组件的0宽度页面存在浮点数异常（被0除）。
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
- mupdf Fixed in v1.20.0-rc1 -

II. Public POCs for CVE-2021-4216

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-4216

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Patches & Fixes for CVE-2021-4216 (1)

Same Patch Batch · n/a · 2022-08-26 · 53 CVEs total

CVE-2021-3414 Red Hat Satellite 安全漏洞
CVE-2022-36548 Edoc-doctor-appointment-system 跨站脚本漏洞
CVE-2022-36547 Edoc-doctor-appointment-system 跨站脚本漏洞
CVE-2022-36542 Edoc-doctor-appointment-system 安全漏洞
CVE-2022-36545 Edoc-doctor-appointment-system SQL注入漏洞
CVE-2022-36544 Edoc-doctor-appointment-system SQL注入漏洞
CVE-2022-36543 Edoc-doctor-appointment-system SQL注入漏洞
CVE-2022-36546 Edoc-doctor-appointment-system 跨站请求伪造漏洞
CVE-2022-0084 Red Hat Data Grid 安全漏洞
CVE-2022-25625 Broadcom Symantec Privileged Access Management 安全漏洞
CVE-2022-0168 Linux kernel 代码问题漏洞
CVE-2021-3632 Red Hat Single Sign-On 授权问题漏洞
CVE-2021-3585 openstack-tripleo-heat-templates 安全漏洞
CVE-2021-3563 Red Hat OpenStack Platform 安全漏洞
CVE-2021-3754 Red Hat Keycloak 安全漏洞
CVE-2021-3735 QEMU 安全漏洞
CVE-2021-3703 Red Hat OpenShift 安全漏洞
CVE-2021-3688 Red Hat JBoss Core Services 信息泄露漏洞
CVE-2021-3669 Linux kernel资源管理错误漏洞
CVE-2021-3644 Red Hat Wildfly 访问控制错误漏洞

Showing top 20 of 53 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: mupdf
Same vendor: n/a
Same weakness: CWE-369

V. Comments for CVE-2021-4216

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