GNU libidn2 Input Validation Error Vulnerability

GNU libidn2 is a library that supports encoding and decoding of internationalized domain names. An input validation error vulnerability exists in GNU libidn2 versions prior to 2.2.0, which can be exploited by an attacker to forge arbitrary domain names...

CVE-2019-12290

GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the...

ALPINE-CVE-2019-12290

GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the...

CVE-2019-12290

GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the...

Code injection

GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the...

UBUNTU-CVE-2019-12290

GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the...

CVE-2019-12290

GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the...

CVE-2019-12290

Libidn2 (GNU libidn2) before 2.2.0 fails RFC3490 roundtrip checks when converting A-labels to U-labels, enabling domain impersonation. Affected: libidn2 (prior to 2.2.0). Remediation: upgrade to 2.2.0 or newer (advisories show updates to 2.3.x). Connected advisories also reference CVE-2019-18224 ...

CVE-2019-12290

GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the...

CVE-2019-12290

GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the...

GNU libidn2 Buffer Error Vulnerability

GNU libidn2 is a library that supports encoding and decoding of internationalized domain names. A buffer error vulnerability exists in the 'idn2toascii4i' function of the lib/lookup.c file in GNU libidn2 versions prior to 2.1.1, which can be exploited by attackers to cause, among other things, a...

CVE-2019-18224

idn2toascii4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string...

ALPINE-CVE-2019-18224

idn2toascii4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string...

DEBIAN-CVE-2019-18224

idn2toascii4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string...

CVE-2019-18224

idn2toascii4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string...

UBUNTU-CVE-2019-18224

idn2toascii4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string...

CVE-2019-18224

idn2toascii4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string...

Heap overflow

idn2toascii4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string...

CVE-2019-18224

idn2toascii4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string...

CVE-2019-18224

CVE-2019-18224 affects libidn2: heap-based overflow in idn2_to_ascii_4i (lib/lookup.c) in GNU libidn2 before 2.1.1. This can trigger denial of service or arbitrary code execution when handling long domain strings. Public advisories confirm the flaw and provide fixes; Debian lists a fix at 2.0.5-1...