Provide references for CVE-2020-11880.
Where can I find more information about CVE-2020-11880?
References are available at: https://cgit.kde.org/kmail.git/commit/?id=2a348eccd352260f192d9b449492071bbf2b34b1, https://cgit.kde.org/kmail.git/tag/?h=v19.12.3.