VDB
ALPINE-CVE-2019-16866
ALPINE-CVE-2019-16866
PUBLISHED
CVSS 7.5 HIGH
Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.24 | unbound | 0, 0, 0 |
| Alpine:v3.21 | unbound | 0, 1.9.3-r0, 1.9.2-r1 |
| Alpine:v3.13 | unbound | 0, 0, 0 |
| Alpine:v3.19 | unbound | 1.5.10-r2, 1.5.2-r0, 1.4.22-r1 |
| Alpine:v3.9 | unbound | 1.4.20-r0, 1.4.10-r1, 1.4.10-r2 |
| Alpine:v3.10 | unbound | 1.4.21-r1, 1.4.21-r0, 1.4.20-r2 |
| Alpine:v3.14 | unbound | 1.6.7-r1, 0, 1.4.10-r0 |
| Alpine:v3.22 | unbound | 0, 1.4.10-r1, 1.4.10-r2 |
| Alpine:v3.17 | unbound | 1.6.6-r0, 1.9.2-r1, 1.9.2-r0 |
| Alpine:v3.11 | unbound | 1.4.10-r2, 1.4.13-r0, 1.4.13-r1 |
| Alpine:v3.12 | unbound | 1.4.13-r2, 0, 1.4.10-r0 |
| Alpine:v3.23 | unbound | 1.5.9-r0, 1.5.8-r1, 1.5.7-r1 |
| Alpine:v3.8 | unbound | 1.4.10-r3, 1.4.13-r0, 1.4.13-r2 |
| Alpine:v3.16 | unbound | 1.4.20-r0, 1.4.13-r2, 1.4.13-r3 |
| Alpine:v3.20 | unbound | 1.4.10-r0, 0, 0 |
| Alpine:v3.15 | unbound | 1.4.10-r0, 0, 0 |
| Alpine:v3.18 | unbound | 1.4.10-r3, 1.4.13-r1, 1.4.13-r2 |
Timeline
- Oct 3, 2019 CVE Published
- Jun 9, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch