USN-8742-1

    Dashboard / Vulnerabilities / USN-8742-1

    USN-8742-1

    Published: 10 Sept 2026Last Modified: 10 Sept 2026

    Summary: netty vulnerability

    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.

    References: https://ubuntu.com/security/notices/USN-8742-1, https://ubuntu.com/security/CVE-2026-47691

    Affected packages

    Package

    Name: netty

    Purl: pkg:deb/ubuntu/netty?arch=source&distro=esm-apps%2Fnoble

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:4.1.48-9ubuntu0.2+esm2

    Affected versions

    1:4.1.48-7
    1:4.1.48-8
    1:4.1.48-9
    1:4.1.48-9ubuntu0.1~esm1
    1:4.1.48-9ubuntu0.1~esm2
    1:4.1.48-9ubuntu0.1
    1:4.1.48-9ubuntu0.1+esm1
    1:4.1.48-9ubuntu0.1+esm3
    1:4.1.48-9ubuntu0.2
    1:4.1.48-9ubuntu0.2+esm1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    USN-8742-1 | CVE-DB