NULL Pointer Dereference Affecting mujs package, versions <1.2.0-3


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.15% (66th percentile)

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  • Snyk IDSNYK-ECHOLATEST-MUJS-20138057
  • published25 Sept 2026
  • disclosed18 May 2022

Introduced: 18 May 2022

CVE-2022-30975  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Echo:latest mujs to version 1.2.0-3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mujs package and not the mujs package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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

CVSS Base Scores

version 3.1