USN-5021-1

    Dashboard / Vulnerabilities / USN-5021-1

    USN-5021-1

    Published: 22 Jul 2021Last Modified: 27 Apr 2026

    Summary: curl vulnerabilities

    Details: Harry Sintonen and Tomas Hoger discovered that curl incorrectly handled TELNET connections when the -t option was used on the command line. Uninitialized data possibly containing sensitive information could be sent to the remote server, contrary to expectations. (CVE-2021-22898, CVE-2021-22925) Harry Sintonen discovered that curl incorrectly reused connections in the connection pool. This could result in curl reusing the wrong connections. (CVE-2021-22924)

    References: https://ubuntu.com/security/notices/USN-5021-1, https://ubuntu.com/security/CVE-2021-22898, https://ubuntu.com/security/CVE-2021-22924, https://ubuntu.com/security/CVE-2021-22925

    Affected packages

    Package

    Name: curl

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -7.58.0-2ubuntu3.14

    Affected versions

    7.55.1-1ubuntu2
    7.55.1-1ubuntu2.1

    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-5021-1 | CVE-DB