An attacker may use Thunderbird's OpenPGP key refresh mechanism to poison an existing key - CVE-2021-23991ID: oval:org.secpod.oval:def:70872 | Date: (C)2021-04-09 (M)2022-10-10 |
Class: VULNERABILITY | Family: windows |
Mozilla Thunderbird before 78.9.1: If a Thunderbird user has previously imported Alice's OpenPGP key, and Alice has extended the validity period of her key, but Alice's updated key has not yet been imported, an attacker may send an email containing a crafted version of Alice's key with an invalid subkey, Thunderbird might subsequently attempt to use the invalid subkey, and will fail to send encrypted email to Alice.
Platform: |
Microsoft Windows 7 |
Microsoft Windows 8.1 |
Microsoft Windows 10 |
Microsoft Windows Server 2008 |
Microsoft Windows Server 2008 R2 |
Microsoft Windows Server 2012 |
Microsoft Windows Server 2012 R2 |
Microsoft Windows Server 2016 |
Microsoft Windows Server 2019 |
Microsoft Windows Server |
Product: |
Mozilla Thunderbird |