USN-4149-1: Unbound vulnerability
Publication date
8 October 2019
Overview
Unbound could be made to crash if it received a specially crafted NOTIFY query.
Releases
Packages
- unbound - validating, recursive, caching DNS resolver
Details
It was discovered that Unbound incorrectly handled certain NOTIFY queries.
An attacker could possibly use this issue to cause a denial of service.
It was discovered that Unbound incorrectly handled certain NOTIFY queries.
An attacker could possibly use this issue to cause a denial of service.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 19.04 disco | libunbound8 – 1.9.0-2ubuntu0.1 | ||
| unbound – 1.9.0-2ubuntu0.1 | |||
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