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CVE-2018-18513

Published: 26 April 2019

A crash can occur when processing a crafted S/MIME message or an XPI package containing a crafted signature. This can be used as a denial-of-service (DOS) attack because Thunderbird reopens the last seen message on restart, triggering the crash again. This vulnerability affects Thunderbird < 60.5.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
thunderbird
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(1:60.6.1+build2-0ubuntu0.18.04.1)
cosmic Not vulnerable

disco Not vulnerable

trusty Does not exist

upstream
Released (1:60.5.0-1)
xenial Not vulnerable
(1:60.6.1+build2-0ubuntu0.16.04.1)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H