Gentoo Linux Security Advisory 202003-63 - Multiple vulnerabilities have been found in GNU IDN Library 2, the worst of which could result in the remote execution of arbitrary code. Versions less than 2.2.0 are affected.
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Debian Linux Security Advisory 4613-1 - A heap-based buffer overflow vulnerability was discovered in the idn2_to_ascii_4i() function in libidn2, the GNU library for Internationalized Domain Names (IDNs), which could result in denial of service, or the execution of arbitrary code when processing a long domain string.
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Ubuntu Security Notice 4168-1 - It was discovered that Libidn2 incorrectly handled certain inputs. A attacker could possibly use this issue to impersonate domains. It was discovered that Libidn2 incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code.
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