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CVE-2021-33439

Good to know:

Date: July 26, 2022

An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is Integer overflow in gc_compact_strings() in mjs.c.

Language: C

Severity Score

5.5

Related Resources (4)

Url: https://github.com/cesanta/mjs/issues/159

Url: https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-33439

Url: https://www.mend.io/vulnerability-database/CVE-2021-33439

Severity Score

5.5

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

NULL Pointer Dereference

CWE-476

Top Fix

Upgrade Version

No fix version available

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

Mend Vulnerability Database

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CVE-2021-33439

Good to know:

Date: July 26, 2022

Language: C

Severity Score

Related Resources (4)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

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