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Ubuntu 24.04 LTS USN-8742-1 Netty Cache Poisoning CVE-2026

Ubuntu 24.04 LTS USN-8742-1 Netty Cache Poisoning CVE-2026

Linuxsecurity LinuxSecurity Advisories September 10, 2026

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Netty could be exposed to cache poisoning. Software Description: - netty: event-driven asynchronous network application framework Details: It was discovered that Netty incorrectly validates the bailiwick of NS records. An attacker could possibly use this issue to facilitate DNS cache poisoning attacks.

Netty could be exposed to cache poisoning.

Software Description:

- netty: event-driven asynchronous network application framework

It was discovered that Netty incorrectly validates the bailiwick of NS

records. An attacker could possibly use this issue to facilitate DNS

cache poisoning attacks.

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS libnetty-java 1:4.1.48-9ubuntu0.2+esm2 Available with Ubuntu Pro

Ubuntu Security Notice USN-8742-1

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