openSUSE: MozillaThunderbird Important Security Update 2025-20006-1
opensuse
November 10, 2025
An update that solves 7 vulnerabilities and has one bug fix can now be installed.
Description
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...
Read the Full Advisory
Topics Covered
Patch
Package List
- openSUSE Leap 16.0:
MozillaThunderbird-140.3.0-bp160.1.1
MozillaThunderbird-openpgp-librnp-140.3.0-bp160.1.1
MozillaThunderbird-translations-common-140.3.0-bp160.1.1
MozillaThunderbird-translations-other-140.3.0-bp160.1.1
References
* bsc#1249391
References:
* https://www.suse.com/security/cve/CVE-2025-10527.html
* https://www.suse.com/security/cve/CVE-2025-10528.html
* https://www.suse.com/security/cve/CVE-2025-10529.html
* https://www.suse.com/security/cve/CVE-2025-10532.html
* https://www.suse.com/security/cve/CVE-2025-10533.html
* https://www.suse.com/security/cve/CVE-2025-10536.html
* https://www.suse.com/security/cve/CVE-2025-10537.html
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: openSUSE-SU-2025-20006-1
Rating: important
Affected Products:
openSUSE Leap 16.0
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Topics Covered
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