Sendmail

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    Products: 4
    Vulnerabilities: 33
    Known Exploited: 0
    3
    Critical Level Threats
    13
    High Level Threats
    12
    Medium Level Threats
    5
    Low Level Threats

    Vulnerabilities

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    Vulnerabilities

    CVE-2023-51765

    sendmail: SMTP smuggling vulnerability

    Last Modified: Nov 21, 2024
    Published: Dec 18, 2023

    CVE-2021-3618

    ALPACA: Application Layer Protocol Confusion - Analyzing and Mitigating Cracks in TLS Authentication

    Last Modified: Nov 21, 2024
    Published: Jun 09, 2021

    CVE-2014-3956

    sendmail: Properly set the close-on-exec flag for file descriptors

    Last Modified: Apr 12, 2025
    Published: May 21, 2014

    CVE-2009-4565

    sendmail: incorrect verification of SSL certificate with NUL in name

    Last Modified: Apr 23, 2026
    Published: Dec 30, 2009

    CVE-2009-1490

    sendmail: long first header can overflow into message body

    Last Modified: Apr 23, 2026
    Published: Apr 30, 2009
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    Sendmail Vulnerabilities & Security CVEs | CVE-DB