NULL Pointer Dereference Vulnerability in mJS by Cesanta
CVE-2021-33446

5.5MEDIUM

Key Information:

Vendor

Cesanta

Status
Mjs
Vendor
CVE Published:
26 July 2022

What is CVE-2021-33446?

A vulnerability exists in mJS (Restricted JavaScript engine) that allows for a NULL pointer dereference within the mjs_next() function found in mjs.c. This issue can lead to unexpected behavior or crashes when handling specific input in JavaScript ES6 environments, potentially affecting application stability and performance.

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References

https://github.com/cesanta/mjs/issues/168
x_refsource_MISC
https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f7...
x_refsource_MISC

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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