SUSE-SU-2025:03309-1: MozillaThunderbird&distro=openSUSE Leap 15.6

CVSS: UnknownPublished
Published 23-09-2025Last modified 23-03-2026

Vulnerability summary

SUSE-SU-2025:03309-1 is a vulnerability in MozillaThunderbird&distro=openSUSE Leap 15.6 with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 7 · Downstream 0 · Related 7

Timeline

  1. 23-09-2025
    PublishedVulnerability first disclosed.
  2. 23-03-2026
    Last modifiedVulnerability information updated.

Description

Security update for MozillaThunderbird This update for MozillaThunderbird fixes the following issues: Update to Mozilla Thunderbird 140.3 (bsc#1249391). Security issues fixed: - MFSA 2025-78 * 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. Other issues fixed: - 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.

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Suse4 products
  • MozillaThunderbird&distro=SUSE Linux Enterprise Module for Package Hub 15 SP6< 140.3.0-150200.8.239.1
  • MozillaThunderbird&distro=SUSE Linux Enterprise Module for Package Hub 15 SP7< 140.3.0-150200.8.239.1
  • MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP6< 140.3.0-150200.8.239.1
  • MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP7< 140.3.0-150200.8.239.1
Opensuse1 product
  • MozillaThunderbird&distro=openSUSE Leap 15.6< 140.3.0-150200.8.239.1

2 vendors · 5 products

References

9 links