CVE-2020-27818
3.3 · LOWOverview
CVE-2020-27818 is a low-severity vulnerability affecting libpng pngcheck. It was published on December 8, 2020 and has a CVSS 3.1 base score of 3.3 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.
Remediation
Check the references section for vendor advisories and patches from libpng. Update pngcheck 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 |
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References
Frequently Asked Questions
What is CVE-2020-27818?
CVE-2020-27818 is a low-severity vulnerability affecting libpng pngcheck. It was published on December 8, 2020 and has a CVSS 3.1 base score of 3.3 (LOW).
How severe is CVE-2020-27818?
This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. 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-2020-27818?
Check the references section for vendor advisories and patches from libpng. Update pngcheck 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-2020-27818?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-27818 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.
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