Security Advisory

CVE-2020-26970

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-12-09 00:26:43

Last updated 2024-08-04 16:03:23

Assigner mozilla

State PUBLISHED

Description

When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird < 78.5.1.

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