CVE-2019-16866
HIGH7.5EPSS 1.2%unbound - security update
Published: 10/3/2019Modified: 4/28/2026
Description
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.
Affected packages (3)
- Alpine/unboundfrom 0, < 1.9.1-r3
- Debian/unboundfrom 0, < 1.9.4-1
- Debian/unboundfrom 0, < 1.9.0-2+deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |