CVE-2025-59777
7.5 · HIGHOverview
CVE-2025-59777 is a high-severity vulnerability affecting gnu libmicrohttpd. It was published on November 10, 2025 and has a CVSS 3.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
NULL pointer dereference vulnerability exists in GNU libmicrohttpd v1.0.2 and earlier. The vulnerability was fixed in commit ff13abc on the master branch of the libmicrohttpd Git repository, after the v1.0.2 tag. A specially crafted packet sent by an attacker could cause a denial-of-service (DoS) condition.
Remediation
Check the references section for vendor advisories and patches from gnu. Update libmicrohttpd 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 |
|---|---|---|---|
| gnu | libmicrohttpd | >= 0, < 2025-09-16 | Affected |
Frequently Asked Questions
What is CVE-2025-59777?
CVE-2025-59777 is a high-severity vulnerability affecting gnu libmicrohttpd. It was published on November 10, 2025 and has a CVSS 3.0 base score of 7.5 (HIGH).
How severe is CVE-2025-59777?
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-59777?
Check the references section for vendor advisories and patches from gnu. Update libmicrohttpd 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-2025-59777?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-59777 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
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