CVE-2021-33391: Use After Free
First published: Fri Feb 17 2023(Updated: )
An issue in HTACG HTML Tidy v5.7.28 allows attacker to execute arbitrary code via the -g option of the CleanNode() function in gdoc.c.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| HTACG Tidy | =5.7.28 | |
| Linux kernel |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-33391?
CVE-2021-33391 has been classified as a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2021-33391?
To fix CVE-2021-33391, upgrade HTACG HTML Tidy to version 5.7.29 or later.
What software is affected by CVE-2021-33391?
CVE-2021-33391 affects HTACG HTML Tidy version 5.7.28.
How can an attacker exploit CVE-2021-33391?
An attacker can exploit CVE-2021-33391 by using the -g option in the CleanNode() function in gdoc.c to execute arbitrary code.
Is the Linux Kernel vulnerable to CVE-2021-33391?
No, the Linux Kernel is not vulnerable to CVE-2021-33391.
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