Mozilla issued a critical security update to its popular open-source Thunderbird email client. The patch was part of a December release of five fixes that included two bugs rated high and one rated moderate and another low.
Mozilla said Thunderbird, which is also serves as a news, RSS and chat client, the latest Thunderbird 52.5.2 version released last week fixes the vulnerabilities.
The most serious of the fixes is a critical buffer overflow bug (CVE-2017-7845) impacting Thunderbird running on the Windows operating system.
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