UBUNTU-CVE-2016-4303

    Dashboard / Vulnerabilities / UBUNTU-CVE-2016-4303

    UBUNTU-CVE-2016-4303

    Published: 26 Sept 2016Last Modified: 22 Apr 2026
    Upstream:
    CVE-2016-4303
    Aliases:
    USN-4788-1

    Summary:

    Details: The parse_string function in cjson.c in the cJSON library mishandles UTF8/16 strings, which allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a non-hex character in a JSON string, which triggers a heap-based buffer overflow.

    References: https://ubuntu.com/security/CVE-2016-4303, https://raw.githubusercontent.com/esnet/security/master/cve-2016-4303/esnet-secadv-2016-0001.txt.asc, https://www.cve.org/CVERecord?id=CVE-2016-4303, https://ubuntu.com/security/notices/USN-4788-1

    Affected packages

    Package

    Name: iperf3

    Purl: pkg:deb/ubuntu/[email protected]~esm1?arch=source&distro=esm-apps/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.0.11-1ubuntu0.1~esm1

    Affected versions

    3.0.11-1

    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