GNU libmicrohttpd vulnerabilities
3 known CVE vulnerabilities in GNU libmicrohttpd, translated and rated.
- CVE-2025-62689High
A 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.
- CVE-2025-59777High
A 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.
- CVE-2023-27371Medium
GNU libmicrohttpd before 0.9.76 allows remote DoS due to improper parsing of a multipart/form-data boundary in the MHD_create_post_processor() method in postprocessor.c. An attacker can remotely send a malicious HTTP POST packet including one or more '\0' bytes in a multipart/form-data boundary field, which, assuming a specific heap layout, results in an out-of-bounds read and a crash in the find_boundary() function.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

