Security Advisory

CVE-2021-29969

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2021-08-05 19:46:42

Last updated 2024-08-03 22:24:57

Assigner mozilla

CVSS score not scored

State PUBLISHED

Description

If Thunderbird was configured to use STARTTLS for an IMAP connection, and an attacker injected IMAP server responses prior to the completion of the STARTTLS handshake, then Thunderbird didn't ignore the injected data. This could have resulted in Thunderbird showing incorrect information, for example the attacker could have tricked Thunderbird to show folders that didn't exist on the IMAP server. This vulnerability affects Thunderbird < 78.12.

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