CVEvulnerability

CVE-2019-18224

9.8 CRITICAL Published 2019-10-21 Modified 2026-10-14 Official page ↗
Status
Modified
Published
2019-10-21
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-787

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 configurations

• gnu libidn2 (< 2.1.1)

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References