Security update for MozillaThunderbird SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2020:1027-1 Final 1 1 2020-04-17T15:48:02Z current 2020-04-17T15:48:02Z 2020-04-17T15:48:02Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for MozillaThunderbird This update for MozillaThunderbird to version 68.7.0 fixes the following issues: - CVE-2020-6819: Use-after-free while running the nsDocShell destructor (boo#1168630) - CVE-2020-6820: Use-after-free when handling a ReadableStream (boo#1168630) - CVE-2020-6821: Uninitialized memory could be read when using the WebGL copyTexSubImage() (boo#1168874) - CVE-2020-6822: Out of bounds write in GMPDecodeData when processing large images (boo#1168874) - CVE-2020-6825: Memory safety bugs fixed (boo#1168874) The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2020-1027,SUSE-SLE-Product-WE-15-SP1-2020-1027 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2020/suse-su-20201027-1/ Link for SUSE-SU-2020:1027-1 https://lists.suse.com/pipermail/sle-security-updates/2020-April/006717.html E-Mail link for SUSE-SU-2020:1027-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1168630 SUSE Bug 1168630 https://bugzilla.suse.com/1168874 SUSE Bug 1168874 https://www.suse.com/security/cve/CVE-2020-6819/ SUSE CVE CVE-2020-6819 page https://www.suse.com/security/cve/CVE-2020-6820/ SUSE CVE CVE-2020-6820 page https://www.suse.com/security/cve/CVE-2020-6821/ SUSE CVE CVE-2020-6821 page https://www.suse.com/security/cve/CVE-2020-6822/ SUSE CVE CVE-2020-6822 page https://www.suse.com/security/cve/CVE-2020-6825/ SUSE CVE CVE-2020-6825 page SUSE Linux Enterprise Workstation Extension 15 SP1 MozillaThunderbird-68.7.0-3.77.1 MozillaThunderbird-translations-common-68.7.0-3.77.1 MozillaThunderbird-translations-other-68.7.0-3.77.1 MozillaThunderbird-68.7.0-3.77.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP1 MozillaThunderbird-translations-common-68.7.0-3.77.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP1 MozillaThunderbird-translations-other-68.7.0-3.77.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP1 Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1. CVE-2020-6819 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-68.7.0-3.77.1 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-translations-common-68.7.0-3.77.1 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-translations-other-68.7.0-3.77.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20201027-1/ https://www.suse.com/security/cve/CVE-2020-6819.html CVE-2020-6819 https://bugzilla.suse.com/1168630 SUSE Bug 1168630 https://bugzilla.suse.com/1168874 SUSE Bug 1168874 Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1. CVE-2020-6820 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-68.7.0-3.77.1 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-translations-common-68.7.0-3.77.1 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-translations-other-68.7.0-3.77.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20201027-1/ https://www.suse.com/security/cve/CVE-2020-6820.html CVE-2020-6820 https://bugzilla.suse.com/1168630 SUSE Bug 1168630 https://bugzilla.suse.com/1168874 SUSE Bug 1168874 When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75. CVE-2020-6821 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-68.7.0-3.77.1 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-translations-common-68.7.0-3.77.1 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-translations-other-68.7.0-3.77.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20201027-1/ https://www.suse.com/security/cve/CVE-2020-6821.html CVE-2020-6821 https://bugzilla.suse.com/1168630 SUSE Bug 1168630 https://bugzilla.suse.com/1168874 SUSE Bug 1168874 On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75. CVE-2020-6822 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-68.7.0-3.77.1 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-translations-common-68.7.0-3.77.1 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-translations-other-68.7.0-3.77.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20201027-1/ https://www.suse.com/security/cve/CVE-2020-6822.html CVE-2020-6822 https://bugzilla.suse.com/1168630 SUSE Bug 1168630 https://bugzilla.suse.com/1168874 SUSE Bug 1168874 Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs present in Firefox 74 and Firefox ESR 68.6. 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 < 68.7.0, Firefox ESR < 68.7, and Firefox < 75. CVE-2020-6825 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-68.7.0-3.77.1 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-translations-common-68.7.0-3.77.1 SUSE Linux Enterprise Workstation Extension 15 SP1:MozillaThunderbird-translations-other-68.7.0-3.77.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20201027-1/ https://www.suse.com/security/cve/CVE-2020-6825.html CVE-2020-6825 https://bugzilla.suse.com/1168630 SUSE Bug 1168630 https://bugzilla.suse.com/1168874 SUSE Bug 1168874