CVE-2019-18224
moderate-risk
Published 2019-10-21
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.
Do I need to act?
~
2.4% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: 5c5d7ae143e06c31a6ba3f8eeaef7a3ec943ba55, e4d1558aa2c1c04a05066ee8600f37603890ba8c
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Libidn2
Affected Vendors
References (22)
and 2 more references
43
/ 100
moderate-risk
Severity
32/34 · Critical
Exploitability
6/34 · Minimal
Exposure
5/34 · Minimal