CVE-2021-43579
7.8 · HIGHOverview
CVE-2021-43579 is a high-severity vulnerability affecting htmldoc_project htmldoc. It was published on January 10, 2022 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
A stack-based buffer overflow in image_load_bmp() in HTMLDOC <= 1.9.13 results in remote code execution if the victim converts an HTML document linking to a crafted BMP file.
Remediation
Check the references section for vendor advisories and patches from htmldoc_project. Update htmldoc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| htmldoc_project | htmldoc | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-43579?
CVE-2021-43579 is a high-severity vulnerability affecting htmldoc_project htmldoc. It was published on January 10, 2022 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-43579?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-43579?
Check the references section for vendor advisories and patches from htmldoc_project. Update htmldoc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-43579?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-43579 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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