Packages
- unbound - validating, recursive, caching DNS resolver
Details
Xiang Li discovered that Unbound incorrectly handled delegation caching.
A remote attacker could use this issue to keep rogue domain names
resolvable long after they have been revoked.
Xiang Li discovered that Unbound incorrectly handled delegation caching.
A remote attacker could use this issue to keep rogue domain names
resolvable long after they have been revoked.
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 | ||
|---|---|---|---|
| 22.04 LTS jammy | unbound – 1.13.1-1ubuntu5.1 | ||
| libunbound8 – 1.13.1-1ubuntu5.1 | |||
| 20.04 LTS focal | unbound – 1.9.4-2ubuntu1.3 | ||
| libunbound8 – 1.9.4-2ubuntu1.3 | |||
| 18.04 LTS bionic | libunbound2 – 1.6.7-1ubuntu2.5 | ||
| unbound – 1.6.7-1ubuntu2.5 | |||
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