PT-2026-21725 · Mozilla · Firefox+3
Andrew Mccreight
+3
·
Published
2026-01-01
·
Updated
2026-03-18
·
CVE-2026-2792
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 148
Firefox ESR versions prior to 140.8
Thunderbird versions prior to 148
Thunderbird ESR versions prior to 140.8
Description
The software contains memory safety bugs that exhibit evidence of memory corruption. It is presumed that, with sufficient effort, these bugs could be exploited to execute arbitrary code.
Recommendations
Update Firefox to version 148 or later.
Update Firefox ESR to version 140.8 or later.
Update Thunderbird to version 148 or later.
Update Thunderbird ESR to version 140.8 or later.
Fix
Memory Corruption
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Weakness Enumeration
Related Identifiers
Affected Products
Firefox
Firefox Esr
Thunderbird
Thunderbird Esr