CVE-2019-18224

CriticalCVSS 9.8/10Last modified Oct 14, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
n/an/an/a
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.0, < V3.1.5
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.0, < V3.1.5
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP>= V3.1.0, < V3.1.5
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP>= V3.1.0, < V3.1.5
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.0, < V3.1.5

References

Timeline

Published
Oct 21, 2019
Last modified
Oct 14, 2026
NVD status
Modified

Related CVEs from 2019

CVE-2019-182259.8An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway before 10.5 build 70.8, 11.x before 11.1 build 63.9, 12.CVE-2019-182269.8Honeywell equIP series and Performance series IP cameras and recorders, A vulnerability exists in the affected products where IP cameras andCVE-2019-182277.5Advantech WISE-PaaS/RMM, Versions 3.3.29 and prior. XXE vulnerabilities exist that may allow disclosure of sensitive data.CVE-2019-182287.5Honeywell equIP series IP cameras Multiple equIP Series Cameras, A vulnerability exists in the affected products where a specially crafted HCVE-2019-182296.5Advantech WISE-PaaS/RMM, Versions 3.3.29 and prior. Lack of sanitization of user-supplied input cause SQL injection vulnerabilities. An attaCVE-2019-18237.2A vulnerability in the web-based management interface of Cisco Prime Infrastructure (PI) and Cisco Evolved Programmable Network (EPN) ManageCVE-2019-182307.5Honeywell equIP and Performance series IP cameras, multiple versions, A vulnerability exists where the affected product allows unauthenticatCVE-2019-182317.5Advantech Spectre RT ERT351 Versions 5.1.3 and prior logins and passwords are transmitted in clear text form, which may allow an attacker toCVE-2019-182327.8SafeNet Sentinel LDK License Manager, all versions prior to 7.101(only Microsoft Windows versions are affected) is vulnerable when configureCVE-2019-182336.1In Advantech Spectre RT Industrial Routers ERT351 5.1.3 and prior, the affected product does not neutralize special characters in the error CVE-2019-182349.8Equinox Control Expert all versions, is vulnerable to an SQL injection attack, which may allow an attacker to remotely execute arbitrary codCVE-2019-182359.8Advantech Spectre RT ERT351 Versions 5.1.3 and prior has insufficient login authentication parameters required for the web application may a
CVE-2019-18224: Critical severity, CVSS 9.8 | Vulnix