A MozillaThunderbird security update has been released for openSUSE Leap 15.3.

openSUSE-SU-2021:2458-1: important: Security update for MozillaThunderbird

openSUSE Security Update: Security update for MozillaThunderbird
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Announcement ID: openSUSE-SU-2021:2458-1
Rating: important
References: #1188275
Cross-References: CVE-2021-29969 CVE-2021-29970 CVE-2021-29976
CVE-2021-30547
CVSS scores:
CVE-2021-29969 (SUSE): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2021-30547 (NVD) : 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products:
openSUSE Leap 15.3
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An update that fixes four vulnerabilities is now available.

Description:

This update for MozillaThunderbird fixes the following issues:

Mozilla Thunderbird 78.12

* fixed: Sending an email containing HTML links with spaces in the URL
sometimes resulted in broken links
* fixed: Folder Pane display theme fixes for macOS
* fixed: Chat account settings did not always save as expected
* fixed: RSS feed subscriptions sometimes lost
* fixed: Calendar: A parsing error for alarm triggers of type "DURATION"
caused sync problems for some users
* fixed: Various security fixes

MFSA 2021-30 (bsc#1188275)

* CVE-2021-29969: IMAP server responses sent by a MITM prior to STARTTLS
could be processed
* CVE-2021-29970: Use-after-free in accessibility features of a document
* CVE-2021-30547: Out of bounds write in ANGLE
* CVE-2021-29976: Memory safety bugs fixed in Thunderbird 78.12

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-15.3-2021-2458=1


Package List:

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

MozillaThunderbird-78.12.0-8.33.1
MozillaThunderbird-debuginfo-78.12.0-8.33.1
MozillaThunderbird-debugsource-78.12.0-8.33.1
MozillaThunderbird-translations-common-78.12.0-8.33.1
MozillaThunderbird-translations-other-78.12.0-8.33.1

References:

  https://www.suse.com/security/cve/CVE-2021-29969.html
  https://www.suse.com/security/cve/CVE-2021-29970.html
  https://www.suse.com/security/cve/CVE-2021-29976.html
  https://www.suse.com/security/cve/CVE-2021-30547.html
  https://bugzilla.suse.com/1188275