Memory safety bugs present in Firefox 137 and Thunderbird 137. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 138 and Thunderbird 138.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade thunderbirdUpgrade firefox | May 12, 2025 | May 11, 2025 |
| Mfsa2025 28 | — | Upgrade to Mozilla Firefox version 138.0 | Apr 30, 2025 | Apr 29, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 138.0 | Apr 30, 2025 | Apr 29, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 29, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | Apr 29, 2025 |
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