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 )
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 )
In general, a standard system update will make all the necessary changes.
The problem can be corrected by updating your system to the following package versions:
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.
The full story
This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.
