A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefoxUpgrade firefox-x11Upgrade thunderbird | Jul 2, 2025 | Jun 24, 2025 |
| Amazon Linux Ami 2 | — | Upgrade firefox-debuginfoUpgrade firefox | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade firefox | Jul 11, 2025 | Jun 24, 2025 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Jun 26, 2025 | Jun 24, 2025 |
| Freebsd | — | Upgrade firefox-esrUpgrade thunderbirdUpgrade firefox | Jul 4, 2025 | Jul 3, 2025 |
| Mfsa2025 51 | — | Upgrade to Mozilla Firefox version 140.0 | Jun 25, 2025 | Jun 24, 2025 |
| Mfsa2025 52 | — | Upgrade to Mozilla Firefox ESR version 115.25 | Jun 25, 2025 | Jun 24, 2025 |
| Mfsa2025 53 | — | Upgrade to Mozilla Firefox ESR version 128.12 | Jun 25, 2025 | Jun 24, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 128.12 | Jul 3, 2025 | Jun 24, 2025 |
| Oracle_linux | — | Upgrade firefoxUpgrade firefox-x11 | Jul 3, 2025 | Jun 24, 2025 |
| Redhat_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-x11No solution existsUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade thunderbird-debugsource | Jul 2, 2025 | Jun 24, 2025 |
| Rocky_linux | — | Upgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade firefoxUpgrade firefox-x11 | Feb 5, 2026 | Jul 29, 2025 |
| Suse | — | Upgrade pipewireUpgrade xdg-desktop-portal-develUpgrade mozillathunderbirdUpgrade libmozjs-128-0Upgrade mozjs128-develUpgrade gstreamer-plugin-pipewireUpgrade mozillafirefox-translations-commonUpgrade mozillafirefox-develUpgrade mozillafirefox-translations-otherUpgrade pipewire-spa-plugins-0_2Upgrade mozillathunderbird-translations-commonUpgrade pipewire-langUpgrade xdg-desktop-portalUpgrade pipewire-toolsUpgrade pipewire-modulesUpgrade mozjs128Upgrade mozillafirefox-branding-sleUpgrade libpipewire-0_3-0Upgrade mozillafirefox-branding-upstreamUpgrade pipewire-spa-toolsUpgrade xdg-desktop-portal-langUpgrade mozillafirefoxUpgrade pipewire-modules-0_3Upgrade mozillathunderbird-translations-other | Jun 27, 2025 | Jun 24, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | Jun 24, 2025 |
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