bind9: In BIND 9.14.0 -> 9.16.5, 9.17.0 -> 9.17.3, If a server is configured with both QNAME minimization and 'forward...
CVE-2020-8621 is fixed in 7 products on 1 platform, first by bind9 1:9.16.1-0ubuntu2.3, released August 19, 2020. It is not reported as exploited. Patch Radar priority: Routine.
In BIND 9.14.0 -> 9.16.5, 9.17.0 -> 9.17.3, If a server is configured with both QNAME minimization and 'forward first' then an attacker who can send queries to it may be able to trigger the condition that will cause the server to crash. Servers that 'forward only' are not affected.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bind9 · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.3 | bind9 1:9.16.1-0ubuntu2.3 | Aug 19, 2020 |
| bind9-dnsutils · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.3 | bind9-dnsutils 1:9.16.1-0ubuntu2.3 | Aug 19, 2020 |
| bind9-host · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.3 | bind9-host 1:9.16.1-0ubuntu2.3 | Aug 19, 2020 |
| bind9-libs · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.3 | bind9-libs 1:9.16.1-0ubuntu2.3 | Aug 19, 2020 |
| bind9-utils · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.3 | bind9-utils 1:9.16.1-0ubuntu2.3 | Aug 19, 2020 |
| bind9utils · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.3 | bind9utils 1:9.16.1-0ubuntu2.3 | Aug 19, 2020 |
| dnsutils · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.3 | dnsutils 1:9.16.1-0ubuntu2.3 | Aug 19, 2020 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.