PT-2026-84195 · Mozilla · Firefox+1
CVE-2026-84142
·
Published
2026-09-01
·
Updated
2026-09-04
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 version 154
Thunderbird version 154
Description
Internal bugs were identified that exhibit evidence of memory corruption or other security-relevant defects, which could potentially be exploited.
Recommendations
Update Firefox to version 155.
Update Thunderbird to version 155.
Fix
Buffer Overflow
Information Disclosure
Found an issue in the description? Have something to add? Feel free to write us 👾
Related Identifiers
Affected Products
Firefox
Thunderbird