CVE-2020-6793

MEDIUM

Thunderbird < 68.5.0 - Use of Uninitialized Resource via Ill-Formed Email Envelope

Title source: llm
STIX 2.1

Description

When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location. This vulnerability affects Thunderbird < 68.5.

References (5)

Core 5
Core References
Issue Tracking, Permissions Required x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1608539
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202003-10
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4328-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4335-1/

Scores

CVSS v3 6.5
EPSS 0.0080
EPSS Percentile 74.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-908
Status published
Products (1)
mozilla/thunderbird < 68.5.0
Published Mar 02, 2020
Tracked Since Feb 18, 2026