What’s Vulnerable › Vulnerabilities

CVE-2022-30975

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-05-18 · updated 2026-06-17
• Weakness: CWE-476

Description

In Artifex MuJS through 1.2.0, jsP_dumpsyntax in jsdump.c has a NULL pointer dereference, as demonstrated by mujs-pp.

Affected products

• MuJS: through 1.2.0
• Debian Linux: 11.0
• Fedoraproject Fedora: 37

References

• https://github.com/ccxvii/mujs/issues/161
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MC6PLHTXHZ7GW7QQGTLBHLXL47UHTHXO/
• https://www.debian.org/security/2022/dsa-5291
• https://github.com/ccxvii/mujs/issues/161
• 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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