VDB
ALPINE-CVE-2019-18224
ALPINE-CVE-2019-18224
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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.
Risk Scores
CVSS v3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.21 | libidn2 | 0, 0, 0 |
| Alpine:v3.17 | libidn2 | 0, 0, 0 |
| Alpine:v3.22 | libidn2 | 0, 0, 0 |
| Alpine:v3.14 | libidn2 | 0, 0, 0 |
| Alpine:v3.19 | libidn2 | 0, 0, 0 |
| Alpine:v3.20 | libidn2 | 0, 0, 0 |
| Alpine:v3.12 | libidn2 | 0, 0, 0 |
| Alpine:v3.13 | libidn2 | 0, 0, 0 |
| Alpine:v3.16 | libidn2 | 0, 0, 0 |
| Alpine:v3.18 | libidn2 | 0, 0, 0 |
| Alpine:v3.23 | libidn2 | 0, 0, 0 |
| Alpine:v3.15 | libidn2 | 0, 0, 0 |
Timeline
- Oct 21, 2019 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch