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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