On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
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 | alma-upgrade-firefoxalma-upgrade-firefox-x11alma-upgrade-thunderbird | Jul 31, 2025 | Jul 24, 2025 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-firefoxamazon-linux-ami-2-upgrade-firefox-debuginfoamazon-linux-ami-2-upgrade-thunderbirdamazon-linux-ami-2-upgrade-thunderbird-debuginfo | May 20, 2026 | May 20, 2026 | |
| Amazon_linux_2023 | amazon-linux-2023-upgrade-firefoxamazon-linux-2023-upgrade-firefox-debuginfoamazon-linux-2023-upgrade-firefox-debugsource | Aug 19, 2025 | Jul 22, 2025 | |
| Debian | debian-upgrade-firefox-esrdebian-upgrade-thunderbird | Jul 24, 2025 | Jul 22, 2025 | |
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-upgrade-package-firefox-esrfreebsd-upgrade-package-thunderbirdfreebsd-upgrade-package-thunderbird-esr | Jul 25, 2025 | Jul 24, 2025 | |
| Mfsa2025 56 | mozilla-firefox-upgrade-141_0 | Jul 23, 2025 | Jul 22, 2025 | |
| Mfsa2025 57 | mozilla-firefox-esr-upgrade-115_26 | Jul 23, 2025 | Jul 22, 2025 | |
| Mfsa2025 58 | mozilla-firefox-esr-upgrade-128_13 | Jul 23, 2025 | Jul 22, 2025 | |
| Mfsa2025 59 | mozilla-firefox-esr-upgrade-140_1 | Jul 23, 2025 | Jul 22, 2025 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-140_1 | Jul 23, 2025 | Jul 22, 2025 | |
| Oracle_linux | — | oracle-linux-upgrade-firefoxoracle-linux-upgrade-firefox-x11oracle-linux-upgrade-thunderbird | Jul 28, 2025 | Jul 22, 2025 |
| Redhat_linux | no-fix-redhat-rpm-packageredhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-firefox-x11redhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource | Jul 25, 2025 | Jul 22, 2025 | |
| Rocky_linux | rocky-upgrade-firefoxrocky-upgrade-firefox-debuginforocky-upgrade-firefox-debugsourcerocky-upgrade-firefox-x11rocky-upgrade-thunderbirdrocky-upgrade-thunderbird-debuginforocky-upgrade-thunderbird-debugsource | Feb 5, 2026 | Sep 8, 2025 | |
| Suse | — | suse-upgrade-gstreamer-plugin-pipewiresuse-upgrade-libpipewire-0_3-0suse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-branding-slesuse-upgrade-mozillafirefox-branding-upstreamsuse-upgrade-mozillafirefox-develsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-othersuse-upgrade-mozillathunderbirdsuse-upgrade-mozillathunderbird-translations-commonsuse-upgrade-mozillathunderbird-translations-othersuse-upgrade-pipewiresuse-upgrade-pipewire-langsuse-upgrade-pipewire-modulessuse-upgrade-pipewire-modules-0_3suse-upgrade-pipewire-spa-plugins-0_2suse-upgrade-pipewire-spa-toolssuse-upgrade-pipewire-toolssuse-upgrade-xdg-desktop-portalsuse-upgrade-xdg-desktop-portal-develsuse-upgrade-xdg-desktop-portal-lang | Aug 14, 2025 | Jul 26, 2025 |
| Ubuntu | ubuntu-upgrade-thunderbird | Jul 24, 2025 | Jul 22, 2025 |
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