By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. External Reference: https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12397
Acknowledgments: Name: the Mozilla project Upstream: Ahmed Elsobky (@0xSobky)
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions Via RHSA-2020:2048 https://access.redhat.com/errata/RHSA-2020:2048
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Extended Update Support Via RHSA-2020:2047 https://access.redhat.com/errata/RHSA-2020:2047
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2020:2046 https://access.redhat.com/errata/RHSA-2020:2046
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2020:2049 https://access.redhat.com/errata/RHSA-2020:2049
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2020:2050 https://access.redhat.com/errata/RHSA-2020:2050
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2020-12397