Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 137 and Thunderbird 137.
CVSS Details
- CVSS 3.1 Base Score: 8.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade thunderbirdUpgrade librewolfUpgrade firefox | Apr 9, 2025 | Apr 7, 2025 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade dev-lang/spidermonkey.Upgrade mail-client/thunderbird.Upgrade www-client/firefox.Upgrade mail-client/thunderbird-bin. | May 13, 2025 | Apr 1, 2025 |
| Mfsa2025 20 | — | Upgrade to Mozilla Firefox version 137.0 | Apr 2, 2025 | Apr 1, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 137.0 | Apr 2, 2025 | Apr 1, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | Apr 1, 2025 |
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