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  8. SSL_ERROR_RX_MALFORMED_SERVER_HELLO randomly issue in YouTube site

SSL_ERROR_RX_MALFORMED_SERVER_HELLO randomly issue in YouTube site

Scheduled Pinned Locked Moved Traffic checking (AV: web/mail)
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  • harlan4096H Offline
    harlan4096H Offline
    harlan4096
    βTester
    wrote on last edited by Jarvis
    #1

    <p><strong>Reproduction steps:</strong></p>
    <p><span>The problem is that it's difficult to reproduce this issue because it occurs randomly, getting it with Mozilla FireFox 97.0.1, but probably rest of the browsers also affected.</span></p>
    <p><span></span></p>
    <p><strong>Actual result:</strong></p>
    <p><span>Randomly getting Error code: SSL_ERROR_RX_MALFORMED_SERVER_HELLO when visiting YouTube site, after several page refreshes finally the site works fine.</span></p>
    <p><span></span></p>
    <p><span>Also affecting stable versions of K2021 MR3 even after Patch H:</span></p>
    <p><span></span></p>
    <p><span>https://community.kaspersky.com/kaspersky-internet-security-13/kis-blocking-youtube-until-firefox-is-reset-error-code-ssl-error-rx-malformed-server-hello-22725</span></p>
    <p><span></span></p>
    <p><strong></strong></p>
    <p><span></span></p>

    S1 (Desktop MELPOMENIA): KES 12.11 + Windows 11 Pro 25H2 * S2 (Desktop TERMINUS): Kaspersky Premium 21.24 beta + Windows 10 IoT Enterprise LTSC Pro 21H2

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    • D Offline
      D Offline
      Dmitriy.Pisarets
      Kaspersky Lab
      wrote on last edited by
      #2

      <p>Thank you for traces. It seems to be a known issue. </p>

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      • JarvisJ Offline
        JarvisJ Offline
        Jarvis
        wrote on last edited by
        #3

        Duplicate

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