USN-4990-1

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    USN-4990-1

    Published: 17 Jun 2021Last Modified: 22 Apr 2026

    Summary: nettle vulnerabilities

    Details: It was discovered that Nettle incorrectly handled RSA decryption. A remote attacker could possibly use this issue to cause Nettle to crash, resulting in a denial of service. (CVE-2021-3580) It was discovered that Nettle incorrectly handled certain padding oracles. A remote attacker could possibly use this issue to perform a variant of the Bleichenbacher attack. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-16869)

    References: https://ubuntu.com/security/notices/USN-4990-1, https://ubuntu.com/security/CVE-2018-16869, https://ubuntu.com/security/CVE-2021-3580

    Affected packages

    Package

    Name: nettle

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.4.1-0ubuntu0.18.04.1

    Affected versions

    3.3-2

    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