Security update for MozillaThunderbird SUSE Patch security@suse.de SUSE Security Team openSUSE-SU-2021:0910-1 Final 1 1 2021-06-24T09:54:47Z current 2021-06-24T09:54:47Z 2021-06-24T09:54:47Z 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 78.11 (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 This update was imported from the SUSE:SLE-15-SP2:Update update project. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). openSUSE-2021-910 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/EMW3JK45XDOBEXEJG4EVDNIANAAYG46O/ E-Mail link for openSUSE-SU-2021:0910-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1186696 SUSE Bug 1186696 https://www.suse.com/security/cve/CVE-2021-29964/ SUSE CVE CVE-2021-29964 page https://www.suse.com/security/cve/CVE-2021-29967/ SUSE CVE CVE-2021-29967 page openSUSE Leap 15.2 MozillaThunderbird-78.11.0-lp152.2.45.1 MozillaThunderbird-translations-common-78.11.0-lp152.2.45.1 MozillaThunderbird-translations-other-78.11.0-lp152.2.45.1 MozillaThunderbird-78.11.0-lp152.2.45.1 as a component of openSUSE Leap 15.2 MozillaThunderbird-translations-common-78.11.0-lp152.2.45.1 as a component of openSUSE Leap 15.2 MozillaThunderbird-translations-other-78.11.0-lp152.2.45.1 as a component of openSUSE Leap 15.2 A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11. CVE-2021-29964 openSUSE Leap 15.2:MozillaThunderbird-78.11.0-lp152.2.45.1 openSUSE Leap 15.2:MozillaThunderbird-translations-common-78.11.0-lp152.2.45.1 openSUSE Leap 15.2:MozillaThunderbird-translations-other-78.11.0-lp152.2.45.1 important 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/EMW3JK45XDOBEXEJG4EVDNIANAAYG46O/ https://www.suse.com/security/cve/CVE-2021-29964.html CVE-2021-29964 https://bugzilla.suse.com/1186696 SUSE Bug 1186696 Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11. CVE-2021-29967 openSUSE Leap 15.2:MozillaThunderbird-78.11.0-lp152.2.45.1 openSUSE Leap 15.2:MozillaThunderbird-translations-common-78.11.0-lp152.2.45.1 openSUSE Leap 15.2:MozillaThunderbird-translations-other-78.11.0-lp152.2.45.1 important 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/EMW3JK45XDOBEXEJG4EVDNIANAAYG46O/ https://www.suse.com/security/cve/CVE-2021-29967.html CVE-2021-29967 https://bugzilla.suse.com/1186696 SUSE Bug 1186696