OPENSUSE-SU-2026:20002-1: MozillaThunderbird&distro=openSUSE Leap 16.0 openSUSE

Vulnerability summary

OPENSUSE-SU-2026:20002-1 is a vulnerability in MozillaThunderbird&distro=openSUSE Leap 16.0 openSUSE with no CVSS score yet.

Timeline

1. 02-01-2026
   PublishedVulnerability first disclosed.
2. 23-03-2026
   Last modifiedVulnerability information updated.

Description

Security update for MozillaThunderbird This update for MozillaThunderbird fixes the following issues: Changes in MozillaThunderbird: Mozilla Thunderbird 140.5.0 ESR MFSA 2025-91 (bsc#1253188): * CVE-2025-13012 Race condition in the Graphics component * CVE-2025-13016 Incorrect boundary conditions in the JavaScript: WebAssembly component * CVE-2025-13017 Same-origin policy bypass in the DOM: Notifications component * CVE-2025-13018 Mitigation bypass in the DOM: Security component * CVE-2025-13019 Same-origin policy bypass in the DOM: Workers component * CVE-2025-13013 Mitigation bypass in the DOM: Core & HTML component * CVE-2025-13020 Use-after-free in the WebRTC: Audio/Video component * CVE-2025-13014 Use-after-free in the Audio/Video component * CVE-2025-13015 Spoofing issue in Thunderbird * fixed: Could not drag and drop ICS file to Today Pane * fixed: With Thunderbird closed, clicking a 'mailto:' link to send signed message failed * fixed: Upgrade from 128.x->140.x broke authentication for @att.net using Yahoo backend Mozilla Thunderbird 140.4.0 ESR * Account Hub is now disabled by default for second email account * Users could not read mail signed with OpenPGP v6 and PQC keys * Image preview in Insert Image dialog failed with CSP error for web resources * Emptying trash on exit did not work with some providers * Thunderbird could crash when applying filters * Users were unable to override expired mail server certificate * Opening Website header link in RSS feed incorrectly re-encoded URL parameters Mozilla Thunderbird 140.3.1 ESR: * several bugfixes listed here https://www.thunderbird.net/en-US/thunderbird/140.3.1esr/releasenotes -------------------------------------------------------------------

No weakness data has been published for this record.