HIGH 7.5 Microsoft
CVE-2025-62689
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.
Microsoft Security Update 2025-Nov: 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.
Affected Products
- azl3 libmicrohttpd 0.9.77-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62689
- https://nvd.nist.gov/vuln/detail/CVE-2025-62689
This high severity vulnerability with a CVSS score of 7.5 was published on 2025-11-11 via Microsoft. Affected: azl3 libmicrohttpd 0.9.77-3 on Azure Linux 3.0.
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