VDB
ALPINE-CVE-2016-6263
ALPINE-CVE-2016-6263
PUBLISHED
CVSS 7.5 HIGH
The stringprep_utf8_nfkc_normalize function in lib/nfkc.c in libidn before 1.33 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted UTF-8 data.
Risk Scores
CVSS 3.0
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.10 | libidn | 1.14-r0, 1.14-r0, 1.15-r0 |
| Alpine:v3.5 | libidn | 1.19-r1, 1.14-r0, 1.13-r0 |
| Alpine:v3.7 | libidn | 1.32-r0, 0, 1.13-r0 |
| Alpine:v3.14 | libidn | 0, 1.15-r0, 1.16-r0 |
| Alpine:v3.21 | libidn | 1.22-r0, 0, 1.32-r0 |
| Alpine:v3.23 | libidn | 1.32-r0, 0, 1.30-r0 |
| Alpine:v3.22 | libidn | 0, 0, 1.32-r0 |
| Alpine:v3.4 | libidn | 1.32-r0, 0, 1.15-r0 |
| Alpine:v3.15 | libidn | 1.32-r0, 1.13-r0, 1.14-r0 |
| Alpine:v3.3 | libidn | 1.24-r0, 0, 1.32-r0 |
| Alpine:v3.9 | libidn | 1.16-r1, 1.14-r0, 0 |
| Alpine:v3.24 | libidn | 0 |
| Alpine:v3.2 | libidn | 1.28-r0, 1.13-r0, 1.14-r0 |
| Alpine:v3.6 | libidn | 0, 1.14-r0, 1.15-r0 |
| Alpine:v3.18 | libidn | 0, 1.13-r0, 1.16-r0 |
| Alpine:v3.13 | libidn | 0, 1.13-r0, 1.32-r0 |
| Alpine:v3.19 | libidn | 1.16-r2, 0, 1.32-r0 |
| Alpine:v3.17 | libidn | 0, 1.15-r0, 1.32-r0 |
| Alpine:v3.16 | libidn | 0, 1.16-r0, 1.16-r2 |
| Alpine:v3.11 | libidn | 1.19-r1, 0, 1.32-r0 |
…and 3 more
Timeline
- Sep 7, 2016 CVE Published
- Apr 30, 2026 Distribution Patch
- Jun 9, 2026 CVE Updated