What’s Vulnerable › Vulnerabilities

CVE-2022-44789

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-11-23 · updated 2026-06-17
• Weakness: CWE-787

Description

A logical issue in O_getOwnPropertyDescriptor() in Artifex MuJS 1.0.0 through 1.3.x before 1.3.2 allows an attacker to achieve Remote Code Execution through memory corruption, via the loading of a crafted JavaScript file.

Affected products

• MuJS: from 1.0.0 before 1.3.2 — fixed in 1.3.2
• Debian Linux: 11.0
• Fedoraproject Fedora: 37

How to fix

Upgrade to a fixed version: MuJS 1.3.2. Check the vendor advisory for mitigations.

References

• https://github.com/alalng/CVE-2022-44789/blob/main/PublicReferenceURL.txt
• https://github.com/ccxvii/mujs/commit/edb50ad66f7601ca9a3544a0e9045e8a8c60561f
• https://github.com/ccxvii/mujs/releases/tag/1.3.2
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MC6PLHTXHZ7GW7QQGTLBHLXL47UHTHXO/
• https://www.debian.org/security/2022/dsa-5291
• https://github.com/alalng/CVE-2022-44789/blob/main/PublicReferenceURL.txt
• https://github.com/ccxvii/mujs/commit/edb50ad66f7601ca9a3544a0e9045e8a8c60561f
• https://github.com/ccxvii/mujs/releases/tag/1.3.2
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MC6PLHTXHZ7GW7QQGTLBHLXL47UHTHXO/
• https://www.debian.org/security/2022/dsa-5291

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