USN-6499-2

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    USN-6499-2

    Published: 8 Jan 2024Last Modified: 22 Apr 2026

    Summary: gnutls28 vulnerability

    Details: USN-6499-1 fixed vulnerabilities in GnuTLS. This update provides the corresponding update for Ubuntu 18.04 LTS. Original advisory details: It was discovered that GnuTLS had a timing side-channel when handling certain RSA-PSK key exchanges. A remote attacker could possibly use this issue to recover sensitive information.

    References: https://ubuntu.com/security/notices/USN-6499-2, https://ubuntu.com/security/CVE-2023-5981

    Affected packages

    Package

    Name: gnutls28

    Purl: pkg:deb/ubuntu/[email protected]+esm1?arch=source&distro=esm-infra/bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.5.18-1ubuntu1.6+esm1

    Affected versions

    3.5.8-6ubuntu3
    3.5.17-1ubuntu1
    3.5.17-1ubuntu3
    3.5.18-1ubuntu1
    3.5.18-1ubuntu1.1
    3.5.18-1ubuntu1.2
    3.5.18-1ubuntu1.3
    3.5.18-1ubuntu1.4
    3.5.18-1ubuntu1.5
    3.5.18-1ubuntu1.6

    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-6499-2 | CVE-DB