PT-2025-26733

CVE-2025-6436

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Published

2025-06-24

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Updated

2026-09-30

Description by

CVSS 3.1
8.1
High
MetricsAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions: Firefox versions prior to 140 Thunderbird versions prior to 140
Description: The issue is related to memory safety bugs that have been identified in Firefox and Thunderbird. These bugs have shown evidence of memory corruption, and it is presumed that with sufficient effort, some of these could be exploited to run arbitrary code.
Recommendations: For Firefox versions prior to 140, update to version 140 or later to resolve the issue. For Thunderbird versions prior to 140, update to version 140 or later to resolve the issue.
Exploitability
Fix
Impacts
Vendors
Affected products
Related identifiers
ALT-PU-2025-11100
ALT-PU-2025-11495
ALT-PU-2025-11497
ALT-PU-2025-14599
ALT-PU-2025-8725
ALT-PU-2025-9988
OPENSUSE-SU-2025:15325-1
OPENSUSE-SU-2025:15371-1
OPENSUSE-SU-2025:15383-1
SUSE-SU-2025:02339-1
SUSE-SU-2025_02339-1
SUSE-SU-2025:02529-1
SUSE-SU-2025_02529-1
SUSE-SU-2025:02546-1
USN-7991-1
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