Security update for MozillaThunderbird

Announcement ID: SUSE-SU-2021:0257-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-15685 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • CVE-2020-15685 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2020-26976 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • CVE-2020-26976 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
  • CVE-2021-23953 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2021-23953 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
  • CVE-2021-23954 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2021-23954 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2021-23960 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • CVE-2021-23960 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2021-23964 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2021-23964 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise Desktop 15 SP2
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • SUSE Linux Enterprise Workstation Extension 15 SP2

An update that solves six vulnerabilities can now be installed.

Description:

This update for MozillaThunderbird fixes the following issues:

  • Mozilla Thunderbird was updated to 78.7.0 ESR (MFSA 2021-05, bsc#1181414)
  • CVE-2021-23953: Fixed a Cross-origin information leakage via redirected PDF requests
  • CVE-2021-23954: Fixed a type confusion when using logical assignment operators in JavaScript switch statements
  • CVE-2020-26976: Fixed an issue where HTTPS pages could have been intercepted by a registered service worker when they should not have been
  • CVE-2021-23960: Fixed a use-after-poison for incorrectly redeclared JavaScript variables during GC
  • CVE-2021-23964: Fixed Memory safety bugs
  • CVE-2020-15685: Fixed an IMAP Response Injection when using STARTTLS

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Workstation Extension 15 SP2
    zypper in -t patch SUSE-SLE-Product-WE-15-SP2-2021-257=1

Package List:

  • SUSE Linux Enterprise Workstation Extension 15 SP2 (x86_64)
    • MozillaThunderbird-debuginfo-78.7.0-8.9.1
    • MozillaThunderbird-translations-common-78.7.0-8.9.1
    • MozillaThunderbird-translations-other-78.7.0-8.9.1
    • MozillaThunderbird-78.7.0-8.9.1
    • MozillaThunderbird-debugsource-78.7.0-8.9.1

References: