OPENSUSE-SU-2026:20391-1: MozillaThunderbird&distro=openSUSE Leap 16.0 openSUSE
Vulnerability summary
OPENSUSE-SU-2026:20391-1 is a vulnerability in MozillaThunderbird&distro=openSUSE Leap 16.0 openSUSE with no CVSS score yet.
Advisory lineage
Upstream 52 · Downstream 0 · Related 52Timeline
- 18-03-2026PublishedVulnerability first disclosed.
- 26-03-2026Last modifiedVulnerability information updated.
Description
Security update for MozillaThunderbird This update for MozillaThunderbird fixes the following issues: Changes in MozillaThunderbird: - Mozilla Thunderbird 140.8.1 ESR * Add mail.openpgp.load_untested_gpgme_version to load untested GPGME version - Mozilla Thunderbird 140.8.0 ESR MFSA 2026-17 (boo#1258568) * CVE-2026-2757 (bmo#2001637) Incorrect boundary conditions in the WebRTC: Audio/Video component * CVE-2026-2758 (bmo#2009608) Use-after-free in the JavaScript: GC component * CVE-2026-2759 (bmo#2010933) Incorrect boundary conditions in the Graphics: ImageLib component * CVE-2026-2760 (bmo#2011062) Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component * CVE-2026-2761 (bmo#2011063) Sandbox escape in the Graphics: WebRender component * CVE-2026-2762 (bmo#2011649) Integer overflow in the JavaScript: Standard Library component * CVE-2026-2763 (bmo#2012018) Use-after-free in the JavaScript Engine component * CVE-2026-2764 (bmo#2012608) JIT miscompilation, use-after-free in the JavaScript Engine: JIT component * CVE-2026-2765 (bmo#2013562) Use-after-free in the JavaScript Engine component * CVE-2026-2766 (bmo#2013583) Use-after-free in the JavaScript Engine: JIT component * CVE-2026-2767 (bmo#2013741) Use-after-free in the JavaScript: WebAssembly component * CVE-2026-2768 (bmo#2014101) Sandbox escape in the Storage: IndexedDB component * CVE-2026-2769 (bmo#2014550) Use-after-free in the Storage: IndexedDB component * CVE-2026-2770 (bmo#2014585) Use-after-free in the DOM: Bindings (WebIDL) component * CVE-2026-2771 (bmo#2014593) Undefined behavior in the DOM: Core & HTML component * CVE-2026-2772 (bmo#2014827) Use-after-free in the Audio/Video: Playback component * CVE-2026-2773 (bmo#2014832) Incorrect boundary conditions in the Web Audio component * CVE-2026-2774 (bmo#2014883) Integer overflow in the Audio/Video component * CVE-2026-2775 (bmo#2015199) Mitigation bypass in the DOM: HTML Parser component * CVE-2026-2776 (bmo#2015266) Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software * CVE-2026-2777 (bmo#2015305) Privilege escalation in the Messaging System component * CVE-2026-2778 (bmo#2016358) Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component * CVE-2026-2779 (bmo#1164141) Incorrect boundary conditions in the Networking: JAR component * CVE-2026-2780 (bmo#2007829) Privilege escalation in the Netmonitor component * CVE-2026-2781 (bmo#2009552) Integer overflow in the Libraries component in NSS * CVE-2026-2782 (bmo#2010743) Privilege escalation in the Netmonitor component * CVE-2026-2783 (bmo#2010943) Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component * CVE-2026-2784 (bmo#2012984) Mitigation bypass in the DOM: Security component * CVE-2026-2785 (bmo#2013549) Invalid pointer in the JavaScript Engine component * CVE-2026-2786 (bmo#2013612) Use-after-free in the JavaScript Engine component * CVE-2026-2787 (bmo#2014560) Use-after-free in the DOM: Window and Location component * CVE-2026-2788 (bmo#2014824) Incorrect boundary conditions in the Audio/Video: GMP component * CVE-2026-2789 (bmo#2015179) Use-after-free in the Graphics: ImageLib component * CVE-2026-2790 (bmo#2008426) Same-origin policy bypass in the Networking: JAR component * CVE-2026-2791 (bmo#2015220) Mitigation bypass in the Networking: Cache component * CVE-2026-2792 (bmo#2008912, bmo#2010050, bmo#2010275, bmo#2012331) Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 * CVE-2026-2793 (bmo#2015196, bmo#2016423, bmo#2016498) Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 - Mozilla Thunderbird 140.7.2 ESR MFSA 2026-11 (boo#1258231) * CVE-2026-2447 (bmo#2014390) Heap buffer overflow in libvpx - Mozilla Thunderbird 140.7.1 ESR MFSA 2026-08 (bsc#1257397) * CVE-2026-0818 (bmo#1881530) CSS-based exfiltration of the content from partially encrypted emails when allowing remote content - Support using system GnuPG with gpgme 2, boo#1253718 - Mozilla Thunderbird 140.7.0 ESR MFSA 2026-05 (bsc#1256340) * CVE-2026-0877 (bmo#1999257) Mitigation bypass in the DOM: Security component * CVE-2026-0878 (bmo#2003989) Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component * CVE-2026-0879 (bmo#2004602) Sandbox escape due to incorrect boundary conditions in the Graphics component * CVE-2026-0880 (bmo#2005014) Sandbox escape due to integer overflow in the Graphics component * CVE-2026-0882 (bmo#1924125) Use-after-free in the IPC component * CVE-2025-14327 (bmo#1970743) Spoofing issue in the Downloads Panel component * CVE-2026-0883 (bmo#1989340) Information disclosure in the Networking component * CVE-2026-0884 (bmo#2003588) Use-after-free in the JavaScript Engine component * CVE-2026-0885 (bmo#2003607) Use-after-free in the JavaScript: GC component * CVE-2026-0886 (bmo#2005658) Incorrect boundary conditions in the Graphics component * CVE-2026-0887 (bmo#2006500) Clickjacking issue, information disclosure in the PDF Viewer component * CVE-2026-0890 (bmo#2005081) Spoofing issue in the DOM: Copy & Paste and Drag & Drop component * CVE-2026-0891 (bmo#1964722, bmo#2000981, bmo#2003100, bmo#2003278) Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Opensuse1 product
- MozillaThunderbird&distro=openSUSE Leap 16.0< 140.8.1-bp160.1.1
1 vendor · 1 product