CVE-2021-23165
9.8 · CRITICALOverview
CVE-2021-23165 is a critical-severity vulnerability affecting htmldoc_project htmldoc. It was published on March 16, 2022 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A flaw was found in htmldoc before v1.9.12. Heap buffer overflow in pspdf_prepare_outpages(), in ps-pdf.cxx may lead to execute arbitrary code and denial of service.
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, < 1.9.12 | Affected |
References
Frequently Asked Questions
What is CVE-2021-23165?
CVE-2021-23165 is a critical-severity vulnerability affecting htmldoc_project htmldoc. It was published on March 16, 2022 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2021-23165?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-23165?
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-2021-23165?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-23165 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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