OPENSUSE-SU-2025:20021-1: MozillaThunderbird&distro=openSUSE Leap 16.0 openSUSE

Vulnerability summary

OPENSUSE-SU-2025:20021-1 is a vulnerability in MozillaThunderbird&distro=openSUSE Leap 16.0 openSUSE with no CVSS score yet.

Timeline

1. 29-10-2025
   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 140.3.0 ESR: * Right-clicking 'List-ID' -> 'Unsubscribe' created double encoded draft subject * Thunderbird could crash on startup * Thunderbird could crash when importing mail * Opening Website header link in RSS feed incorrectly re-encoded URL parameters MFSA 2025-78 (bsc#1249391) * CVE-2025-10527 Sandbox escape due to use-after-free in the Graphics: Canvas2D component * CVE-2025-10528 Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component * CVE-2025-10529 Same-origin policy bypass in the Layout component * CVE-2025-10532 Incorrect boundary conditions in the JavaScript: GC component * CVE-2025-10533 Integer overflow in the SVG component * CVE-2025-10536 Information disclosure in the Networking: Cache component * CVE-2025-10537 Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143

No weakness data has been published for this record.