UBUNTU-CVE-2021-3580

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    UBUNTU-CVE-2021-3580

    Published: 10 Jun 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-3580
    Aliases:
    USN-4990-1

    Summary:

    Details: A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to application crash and denial of service.

    References: https://ubuntu.com/security/CVE-2021-3580, https://ubuntu.com/security/notices/USN-4990-1, https://www.cve.org/CVERecord?id=CVE-2021-3580

    Affected packages

    Package

    Name: nettle

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.7.1-1
    2.7.1-1ubuntu0.1
    2.7.1-1ubuntu0.2

    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