openSUSE Security Update : MozillaThunderbird (openSUSE-2020-2022)

high Nessus Plugin ID 143295



The remote openSUSE host is missing a security update.


This update for MozillaThunderbird fixes the following issues :

- Mozilla Thunderbird 78.4.2 MFSA 2020-49 (bsc#1178611)

- CVE-2020-26950 (bmo#1675905) Write side effects in MCallGetProperty opcode not accounted for

- Mozilla Thunderbird 78.4.1

- new: Thunderbird prompts for an address to use when starting an email from an address book entry with multiple addresses (bmo#84028)

- fixed: Searching global search results did not work (bmo#1664761)

- fixed: Link location was not focused by default when adding a hyperlink in message composer (bmo#1670660)

- fixed: Advanced address book search dialog was unusable (bmo#1668147)

- fixed: Encrypted draft reply emails lost 'Re:' prefix (bmo#1661510)

- fixed: Replying to a newsgroup message did not open the compose window (bmo#1672667)

- fixed: Unable to delete multiple newsgroup messages (bmo#1657988)

- fixed: Appmenu displayed visual glitches (bmo#1636243)

- fixed: Visual glitches when selecting multiple messages in the message pane and using Ctrl+click (bmo#1671800)

- fixed: Switching between dark and light mode could lead to unreadable text on macOS (bmo#1668989)

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


Update the affected MozillaThunderbird packages.

See Also

Plugin Details

Severity: High

ID: 143295

File Name: openSUSE-2020-2022.nasl

Version: 1.6

Type: local

Agent: unix

Published: 11/30/2020

Updated: 3/3/2022

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent

Risk Information


Risk Factor: High

Score: 7.4


Risk Factor: High

Base Score: 9.3

Temporal Score: 7.7

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

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

CVSS Score Source: CVE-2020-26950


Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

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

Temporal Vector: E:F/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 Ease: Exploits are available

Patch Publication Date: 11/25/2020

Vulnerability Publication Date: 12/9/2020

Exploitable With

Metasploit (Firefox MCallGetProperty Write Side Effects Use After Free Exploit)

Reference Information

CVE: CVE-2020-26950