Security update for MozillaThunderbird SUSE Patch security@suse.de SUSE Security Team openSUSE-SU-2020:2133-1 Final 1 1 2020-12-01T07:51:50Z current 2020-12-01T07:51:50Z 2020-12-01T07:51:50Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for MozillaThunderbird 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. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). openSUSE-2020-2133 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/A3SMMQGPABLYJBCFGYFKI43SSCXS244L/ E-Mail link for openSUSE-SU-2020:2133-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1178611 SUSE Bug 1178611 https://www.suse.com/security/cve/CVE-2020-26950/ SUSE CVE CVE-2020-26950 page openSUSE Leap 15.1 MozillaThunderbird-78.4.2-lp151.2.56.1 MozillaThunderbird-translations-common-78.4.2-lp151.2.56.1 MozillaThunderbird-translations-other-78.4.2-lp151.2.56.1 MozillaThunderbird-78.4.2-lp151.2.56.1 as a component of openSUSE Leap 15.1 MozillaThunderbird-translations-common-78.4.2-lp151.2.56.1 as a component of openSUSE Leap 15.1 MozillaThunderbird-translations-other-78.4.2-lp151.2.56.1 as a component of openSUSE Leap 15.1 In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2. CVE-2020-26950 openSUSE Leap 15.1:MozillaThunderbird-78.4.2-lp151.2.56.1 openSUSE Leap 15.1:MozillaThunderbird-translations-common-78.4.2-lp151.2.56.1 openSUSE Leap 15.1:MozillaThunderbird-translations-other-78.4.2-lp151.2.56.1 important 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/A3SMMQGPABLYJBCFGYFKI43SSCXS244L/ https://www.suse.com/security/cve/CVE-2020-26950.html CVE-2020-26950 https://bugzilla.suse.com/1177872 SUSE Bug 1177872 https://bugzilla.suse.com/1178588 SUSE Bug 1178588 https://bugzilla.suse.com/1178611 SUSE Bug 1178611