CVE-2021-26194: Use After Free
First published: Thu Jun 10 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| JerryScript | =2.4.0 |
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Frequently Asked Questions
What is the severity of CVE-2021-26194?
CVE-2021-26194 is classified as a high-severity vulnerability due to the potential for a heap-use-after-free condition, which may lead to remote code execution or application crashes.
How do I fix CVE-2021-26194?
To fix CVE-2021-26194, you should upgrade JerryScript to version 2.4.1 or later, which contains the necessary patches.
What software is affected by CVE-2021-26194?
CVE-2021-26194 specifically affects JerryScript version 2.4.0.
What type of vulnerability is CVE-2021-26194?
CVE-2021-26194 is a heap-use-after-free vulnerability that occurs in the ecma_is_lexical_environment function.
Can CVE-2021-26194 be exploited remotely?
Yes, CVE-2021-26194 can potentially be exploited remotely if the vulnerable JerryScript parser is used in a web application.
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