CVE advisoryCRITICAL
CVE-2019-18224
GNU libidn2 Heap Buffer Overflow in Domain Name Processing
Halo Surface Signal: 3 out of 5 — possibly public-facing.
A heap-based buffer overflow in GNU libidn2 can occur when processing long domain strings, potentially leading to service disruption or unintended behavior. This vulnerability affects systems that use libidn2 for internationalized domain name processing and could be triggered by network-supplied data. The library's wid