CVE-2019-18224

CRITICAL9.8EPSS 2.2%

libidn2 - security update

Published: 10/21/2019Modified: 12/3/2025
Also known as:ALPINE-CVE-2019-18224DEBIAN-CVE-2019-18224

Description

idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.

Affected packages (3)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1CRITICAL9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (2)