openSUSE Security Update: Security update for MozillaThunderbird ______________________________________________________________________________

Announcement ID: openSUSE-SU-2021:2003-1 Rating: important References: #1186696 Cross-References: CVE-2021-29964 CVE-2021-29967 Affected Products: openSUSE Leap 15.3 ______________________________________________________________________________

An update that fixes two vulnerabilities is now available.

Description:

This update for MozillaThunderbird fixes the following issues:

Mozilla Thunderbird 78.11 (bsc#1186696)

Security issues fixed:

- CVE-2021-29964: Out of bounds-read when parsing a `WM_COPYDATA` message - CVE-2021-29967: Memory safety bugs fixed in Thunderbird 78.11

General improvements:

- OpenPGP could not be disabled for an account if a key was previously configured - Recipients were unable to decrypt some messages when the sender had changed the message encryption from OpenPGP to S/MIME - Contacts moved between CardDAV address books were not synced to the new server - CardDAV compatibility fixes for Google Contacts - Folder pane had no clear indication of focus on macOS

Patch Instructions:

To install this openSUSE 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:

- openSUSE Leap 15.3:

zypper in -t patch openSUSE-SLE-15.3-2021-2003=1

Package List:

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

MozillaThunderbird-78.11.0-8.30.1 MozillaThunderbird-debuginfo-78.11.0-8.30.1 MozillaThunderbird-debugsource-78.11.0-8.30.1 MozillaThunderbird-translations-common-78.11.0-8.30.1 MozillaThunderbird-translations-other-78.11.0-8.30.1

References:

https://www.suse.com/security/cve/CVE-2021-29964.html https://www.suse.com/security/cve/CVE-2021-29967.html https://bugzilla.suse.com/1186696