VDB
ALPINE-CVE-2021-3672
ALPINE-CVE-2021-3672
PUBLISHED
CVSS 5.599999904632568 MEDIUM
A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.
Risk Scores
CVSS 3.1
5.599999904632568
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.23 | c-ares | 1.7.4-r1, 1.7.4-r2, 1.7.5-r0 |
| Alpine:v3.21 | c-ares | 1.16.1-r0, 1.17.1-r0, 1.17.1-r1 |
| Alpine:v3.19 | nodejs | 10.16.2-r0, 10.16.1-r0, 10.16.0-r0 |
| Alpine:v3.22 | c-ares | 1.6.0-r0, 1.17.1-r1, 1.16.1-r0 |
| Alpine:v3.15 | nodejs | 14.15.3-r0, 10.15.3-r0, 12.18.0-r1 |
| Alpine:v3.21 | nodejs | 0, 0, 0 |
| Alpine:v3.15 | c-ares | 1.16.1-r0, 1.16.0-r0, 1.15.0-r1 |
| Alpine:v3.13 | c-ares | 1.15.0-r0, 1.0.0, 1.9.1-r0 |
| Alpine:v3.14 | nodejs | 12.13.1-r0, 12.14.1-r0, 12.15.0-r0 |
| Alpine:v3.16 | nodejs | 8.9.1-r0, 0, 10.13.0-r0 |
| Alpine:v3.18 | nodejs | 6.11.0-r0, 6.11.1-r0, 6.11.1-r1 |
| Alpine:v3.13 | nodejs | 12.13.0-r1, 12.13.1-r0, 12.14.0-r0 |
| Alpine:v3.24 | nodejs | 0 |
| Alpine:v3.14 | c-ares | 1.12.0-r0, 1.13.0-r0, 1.14.0-r0 |
| Alpine:v3.17 | c-ares | 1.15.0-r0, 0, 1.10.0-r0 |
| Alpine:v3.12 | c-ares | 1.8.0-r0, 1.7.5-r0, 1.6.0-r1 |
| Alpine:v3.18 | c-ares | 1.7.4-r1, 0, 1.10.0-r0 |
| Alpine:v3.19 | c-ares | 1.11.0-r0, 0, 1.10.0-r0 |
| Alpine:v3.20 | c-ares | 1.11.0-r0, 1.6.0-r0, 1.17.1-r0 |
| Alpine:v3.24 | c-ares | 1.0.0 |
…and 8 more
Timeline
- Nov 23, 2021 CVE Published
- Apr 30, 2026 Distribution Patch
- Jul 8, 2026 CVE Updated