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CRITICAL

CVE-2019-18224

CVSS v3

9.8

CRITICAL

EPSS Score

2.4 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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.

Technical details

Published
2019-10-21

Frequently asked questions

What is CVE-2019-18224?

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.

Is CVE-2019-18224 actively exploited?

Active exploitation of CVE-2019-18224 has not been confirmed. The EPSS score is 2.4%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-18224?

CVE-2019-18224 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2019-18224 affecting your environment?

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