USN-6909-2: Bind vulnerabilities

Packages

bind9 - Internet Domain Name Server

Details

USN-6909-1 fixed several vulnerabilities in Bind. This update provides
the corresponding update for Ubuntu 18.04 LTS.

Original advisory details:

Toshifumi Sakaguchi discovered that Bind incorrectly handled having a very
large number of RRs existing at the same time. A remote attacker could
possibly use this issue to cause Bind to consume resources, leading to a
denial of service. (CVE-2024-1737)

It was discovered that Bind incorrectly handled a large number of SIG(0)
signed requests. A remote attacker could possibly use this issue to cause
Bind to consume resources, leading to a denial of service. (CVE-2024-1975)

USN-6909-1 fixed several vulnerabilities in Bind. This update provides
the corresponding update for Ubuntu 18.04 LTS.

Original advisory details:

Toshifumi Sakaguchi discovered that Bind incorrectly handled having a very
large number of RRs existing at the same time. A remote attacker could
possibly use this issue to cause Bind to consume resources, leading to a
denial of service. (CVE-2024-1737)

It was discovered that Bind incorrectly handled a large number of SIG(0)
signed requests. A remote attacker could possibly use this issue to cause
Bind to consume resources, leading to a denial of service. (CVE-2024-1975)

Update instructions

This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

Ubuntu Release	Package Version
18.04 bionic	bind9 – 1:9.11.3+dfsg-1ubuntu1.19+esm4

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