USN-7241-1: Bind vulnerabilities

Releases

• Ubuntu 24.10
• Ubuntu 24.04 LTS
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS

Packages

• bind9 - Internet Domain Name Server

Details

Toshifumi Sakaguchi discovered that Bind incorrectly handled many records
in the additional section. A remote attacker could possibly use this issue
to cause Bind to consume CPU resources, leading to a denial of service.
(CVE-2024-11187)

Jean-François Billaud discovered that the Bind DNS-over-HTTPS
implementation incorrectly handled a heavy query load. A remote attacker
could possibly use this issue to cause Bind to consume resources, leading
to a denial of service. (CVE-2024-12705)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 24.10

• bind9 - 1:9.20.0-2ubuntu3.1

Ubuntu 24.04

• bind9 - 1:9.18.30-0ubuntu0.24.04.2

Ubuntu 22.04

• bind9 - 1:9.18.30-0ubuntu0.22.04.2

Ubuntu 20.04

• bind9 - 1:9.18.30-0ubuntu0.20.04.2

In general, a standard system update will make all the necessary changes.

References

• CVE-2024-12705
• CVE-2024-11187