Packages
- bind9 - Internet Domain Name Server
Details
It was discovered that Bind incorrectly handled DNSSEC validation when a
domain was covered by both NSEC and NSEC3 records with only one type having
an RRSIG. 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 DNSSEC validation when a
domain was covered by both NSEC and NSEC3 records with only one type having
an RRSIG. 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 | ||
|---|---|---|---|
| 26.04 LTS resolute | bind9 – 1:9.20.24-1ubuntu0.3 | ||
| 24.04 LTS noble | bind9 – 1:9.18.39-0ubuntu0.24.04.7 | ||
| 22.04 LTS jammy | bind9 – 1:9.18.39-0ubuntu0.22.04.6 | ||
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