USN-7641-1: Bind vulnerability
Publication date
16 July 2025
Overview
Bind could be made to crash if it received specially crafted network traffic.
Releases
Packages
- bind9 - Internet Domain Name Server
Details
It was discovered that Bind incorrectly handled configurations where the
stale-answer-client-timeout option is set to 0. A remote attacker could
possibly use this issue to cause Bind to crash, resulting in a denial of
service.
It was discovered that Bind incorrectly handled configurations where the
stale-answer-client-timeout option is set to 0. A remote attacker could
possibly use this issue to cause Bind to crash, resulting in 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 | ||
|---|---|---|---|
| 25.04 plucky | bind9 – 1:9.20.4-3ubuntu1.2 | ||
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