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AUSCERT External Security Bulletin Redistribution
ESB-2020.4119
Security update for MozillaThunderbird
20 November 2020
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AusCERT Security Bulletin Summary
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Product: MozillaThunderbird
Publisher: SUSE
Operating System: SUSE
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-26950
Reference: ESB-2020.4099
ESB-2020.4079
ESB-2020.4055
ESB-2020.4039
Original Bulletin:
https://www.suse.com/support/update/announcement/2020/suse-su-20203418-1
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SUSE Security Update: Security update for MozillaThunderbird
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:3418-1
Rating: moderate
References: #1178611
Cross-References: CVE-2020-26950
Affected Products:
SUSE Linux Enterprise Workstation Extension 15-SP2
SUSE Linux Enterprise Workstation Extension 15-SP1
______________________________________________________________________________
An update that fixes one vulnerability is now available.
Description:
This update for MozillaThunderbird fixes the following issues:
o Mozilla Thunderbird 78.4.2 MFSA 2020-49 (bsc#1178611) * CVE-2020-26950 (bmo
#1675905) Write side effects in MCallGetProperty opcode not accounted for
o 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)
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Workstation Extension 15-SP2:
zypper in -t patch SUSE-SLE-Product-WE-15-SP2-2020-3418=1
o SUSE Linux Enterprise Workstation Extension 15-SP1:
zypper in -t patch SUSE-SLE-Product-WE-15-SP1-2020-3418=1
Package List:
o SUSE Linux Enterprise Workstation Extension 15-SP2 (x86_64):
MozillaThunderbird-78.4.2-3.103.2
MozillaThunderbird-debuginfo-78.4.2-3.103.2
MozillaThunderbird-debugsource-78.4.2-3.103.2
MozillaThunderbird-translations-common-78.4.2-3.103.2
MozillaThunderbird-translations-other-78.4.2-3.103.2
o SUSE Linux Enterprise Workstation Extension 15-SP1 (x86_64):
MozillaThunderbird-78.4.2-3.103.2
MozillaThunderbird-debuginfo-78.4.2-3.103.2
MozillaThunderbird-debugsource-78.4.2-3.103.2
MozillaThunderbird-translations-common-78.4.2-3.103.2
MozillaThunderbird-translations-other-78.4.2-3.103.2
References:
o https://www.suse.com/security/cve/CVE-2020-26950.html
o https://bugzilla.suse.com/1178611
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