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CVE-2021-26194

Good to know:

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Date: June 10, 2021

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.

Language: C

Severity Score

Related Resources (5)

https://security-tracker.debian.org/tracker/CVE-2021-26194
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-26194
https://nvd.nist.gov/vuln/detail/CVE-2021-26194
https://github.com/jerryscript-project/jerryscript/issues/4445
https://www.mend.io/vulnerability-database/CVE-2021-26194

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

Base Score:
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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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