CVE-2019-16866
Published: 3 October 2019
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
unbound Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
| disco |
Released
(1.9.0-2ubuntu0.1)
|
|
| trusty |
Not vulnerable
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
|
|
|
Patches: upstream: https://nlnetlabs.nl/downloads/unbound/patch_cve_2019-16866.diff |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |