CVE-2021-28994

    Dashboard / Vulnerabilities / CVE-2021-28994

    CVE-2021-28994

    Published: 31 Mar 2021Last Modified: 10 Mar 2026

    Summary:

    Details: kopano-ical (formerly zarafa-ical) in Kopano Groupware Core through 8.7.16, 9.x through 9.1.0, 10.x through 10.0.7, and 11.x through 11.0.1 and Zarafa 6.30.x through 7.2.x allows memory exhaustion via long HTTP headers.

    References: , http://www.openwall.com/lists/oss-security/2021/04/01/1, http://www.openwall.com/lists/oss-security/2021/04/25/1, https://www.openwall.com/lists/oss-security/2021/03/19/6

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2021-28994 | CVE-DB