Base Score

MEDIUM6.5

CVE-2021-26194

An issue was discovered in JerryScript 2.4.0. There is a heap-use-after-free in ecma_is_lexical_environment in the ecma-helpers.c file.

VectorNETWORK

Published Bycve@mitre.org

Published DateJun 10, 2021, 23:15

Weakness Type (CWE):CWE-416

CVSS Metrics

Base Score

6.5

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH

References

https://github.com/jerryscript-project/jerryscript/issues/4445

Base Score

MEDIUM6.5

Weakness Type (CWE):CWE-416

CVSS Metrics

Base Score

6.5

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH