openSUSE-SU-2025:20021-1

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Import Source
https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2025:20021-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/openSUSE-SU-2025:20021-1
Upstream
CVE (7)
Related
CVE (7)
Published
2025-10-29T17:54:20Z
Modified
2026-03-12T02:07:25Z
Summary
Security update for MozillaThunderbird
Details

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
References

Affected packages

openSUSE:Leap 16.0 / MozillaThunderbird

Package

Name
MozillaThunderbird
Purl
pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2016.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
140.3.0-bp160.1.1

Ecosystem specific 

{
    "binaries": [
        {
            "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"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2025:20021-1.json"