Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7. 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 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-x11 | Mar 13, 2025 | Mar 4, 2025 |
| Amazon Linux Ami 2 | — | Upgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade thunderbird | Apr 2, 2025 | Mar 4, 2025 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Mar 10, 2025 | Mar 4, 2025 |
| Freebsd | — | Upgrade thunderbirdUpgrade firefoxUpgrade librewolfUpgrade firefox-esr | Apr 5, 2025 | Apr 3, 2025 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade www-client/firefox.Upgrade dev-lang/spidermonkey.Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin. | May 13, 2025 | Mar 4, 2025 |
| Mfsa2025 14 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 136.0 | Mar 5, 2025 | Mar 4, 2025 |
| Mfsa2025 15 | — | Upgrade to Mozilla Firefox ESR version 115.21Upgrade to the latest version of Mozilla Firefox | Mar 5, 2025 | Mar 4, 2025 |
| Mfsa2025 16 | — | Upgrade to Mozilla Firefox ESR version 128.8Upgrade to the latest version of Mozilla Firefox | Mar 5, 2025 | Mar 4, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 128.8Upgrade to the latest version of Mozilla Thunderbird | Mar 5, 2025 | Mar 4, 2025 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-x11 | Mar 10, 2025 | Mar 4, 2025 |
| Redhat_linux | — | Upgrade firefox-debuginfoUpgrade firefox-x11Upgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade firefoxNo solution existsUpgrade thunderbirdUpgrade thunderbird-debugsource | Mar 10, 2025 | Mar 4, 2025 |
| Rocky_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debugsource | May 8, 2025 | Mar 4, 2025 |
| Suse | — | Upgrade MozillaFirefox-translations-commonUpgrade MozillaFirefoxUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-other | Mar 6, 2025 | Mar 4, 2025 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Mar 10, 2025 | Mar 4, 2025 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub