Usn
Packages
- bind9 - Internet Domain Name Server
Details
Vitaly Simonovich discovered that Bind could exhaust memory during
GSS-API TKEY negotiation. A remote attacker could possibly use this
issue to cause Bind to use excessive resources, leading to a denial of
service. (CVE-2026-3039)
Shuhan Zhang discovered that Bind incorrectly handled self-pointed glue
records. A remote attacker could possibly use this issue to use Bind in
denial of service amplification attacks against other systems.
This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2026-3592)
It was discovered that Bind incorrectly handled DNS messages whose
class was not IN. A remote attacker could possibly use this issue to
cause Bind to crash, resulting in a denial of service. This issue only
affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2026-5946)
Vitaly Simonovich discovered that Bind could exhaust memory during
GSS-API TKEY negotiation. A remote attacker could possibly use this
issue to cause Bind to use excessive resources, leading to a denial of
service. (CVE-2026-3039)
Shuhan Zhang discovered that Bind incorrectly handled self-pointed glue
records. A remote attacker could possibly use this issue to use Bind in
denial of service amplification attacks against other systems.
This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2026-3592)
It was discovered that Bind incorrectly handled DNS messages whose
class was not IN. A remote attacker could possibly use this issue to
cause Bind to crash, resulting in a denial of service. This issue only
affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2026-5946)
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 | ||
|---|---|---|---|
| 20.04 LTS focal | bind9 – 1:9.18.30-0ubuntu0.20.04.2+esm2 | ||
| 18.04 LTS bionic | bind9 – 1:9.11.3+dfsg-1ubuntu1.19+esm5 | ||
| 16.04 LTS xenial | bind9 – 1:9.10.3.dfsg.P4-8ubuntu1.19+esm10 | ||
| 14.04 LTS trusty | bind9 – 1:9.9.5.dfsg-3ubuntu0.19+esm14 |
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.
How it works
Once you click Generate, Ollama reads this article and crafts 5 comprehension questions. Your answers are graded against the article content — general knowledge won't be enough. Score 70+ to count toward your certificate.
Questions are cached — you'll always get the same 5 for this article.