openSUSE Security Update : MozillaThunderbird (openSUSE-2020-2096)

high Nessus Plugin ID 143357


New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The remote openSUSE host is missing a security update.


This update for MozillaThunderbird fixes the following issues :


- Mozilla Thunderbird 78.5.0

- new: OpenPGP: Added option to disable attaching the public key to a signed message (bmo#1654950)

- new: MailExtensions: 'compose_attachments' context added to Menus API (bmo#1670822)

- new: MailExtensions: Menus API now available on displayed messages (bmo#1670825)

- changed: MailExtensions: browser.tabs.create will now wait for 'mail-delayed-startup-finished' event (bmo#1674407)

- fixed: OpenPGP: Support for inline PGP messages improved (bmo#1672851)

- fixed: OpenPGP: Message security dialog showed unverified keys as unavailable (bmo#1675285)

- fixed: Chat: New chat contact menu item did not function (bmo#1663321)

- fixed: Various theme and usability improvements (bmo#1673861)

- fixed: Various security fixes MFSA 2020-52 (bsc#1178894)

- CVE-2020-26951 (bmo#1667113) Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code

- CVE-2020-16012 (bmo#1642028) Variable time processing of cross-origin images during drawImage calls

- CVE-2020-26953 (bmo#1656741) Fullscreen could be enabled without displaying the security UI

- CVE-2020-26956 (bmo#1666300) XSS through paste (manual and clipboard API)

- CVE-2020-26958 (bmo#1669355) Requests intercepted through ServiceWorkers lacked MIME type restrictions

- CVE-2020-26959 (bmo#1669466) Use-after-free in WebRequestService

- CVE-2020-26960 (bmo#1670358) Potential use-after-free in uses of nsTArray

- CVE-2020-15999 (bmo#1672223) Heap buffer overflow in freetype

- CVE-2020-26961 (bmo#1672528) DoH did not filter IPv4 mapped IP Addresses

- CVE-2020-26965 (bmo#1661617) Software keyboards may have remembered typed passwords

- CVE-2020-26966 (bmo#1663571) Single-word search queries were also broadcast to local network

- CVE-2020-26968 (bmo#1551615, bmo#1607762, bmo#1656697, bmo#1657739, bmo#1660236, bmo#1667912, bmo#1671479, bmo#1671923) Memory safety bugs fixed in Thunderbird 78.5

- Mozilla Thunderbird 78.4.3

- fixed: User interface was inconsistent when switching from the default theme to the dark theme and back to the default theme (bmo#1659282)

- fixed: Email subject would disappear when hovering over it with the mouse when using Windows 7 Classic theme (bmo#1675970)

This update was imported from the SUSE:SLE-15:Update update project.


Update the affected MozillaThunderbird packages.

See Also

Plugin Details

Severity: High

ID: 143357

File Name: openSUSE-2020-2096.nasl

Version: 1.4

Type: local

Agent: unix

Published: 11/30/2020

Updated: 11/22/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-26968


Risk Factor: High

Score: 7.4


Risk Factor: High

Base Score: 9.3

Temporal Score: 8.1

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: E:H/RL:OF/RC:C


Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:MozillaThunderbird, p-cpe:/a:novell:opensuse:MozillaThunderbird-debuginfo, p-cpe:/a:novell:opensuse:MozillaThunderbird-debugsource, p-cpe:/a:novell:opensuse:MozillaThunderbird-translations-common, p-cpe:/a:novell:opensuse:MozillaThunderbird-translations-other, cpe:/o:novell:opensuse:15.2

Required KB Items: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/28/2020

Vulnerability Publication Date: 11/3/2020

Reference Information

CVE: CVE-2020-15999, CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26966, CVE-2020-26968