jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension disguised as something else like an image. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
CVSS Details
- CVSS 3.1 Base Score: 7.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | alma-upgrade-firefoxalma-upgrade-firefox-x11 | Mar 13, 2025 | Mar 4, 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 | Apr 2, 2025 | Mar 4, 2025 | |
| Debian | debian-upgrade-firefox-esrdebian-upgrade-thunderbird | Mar 10, 2025 | Mar 4, 2025 | |
| Gentoo Linux | gentoo-linux-upgrade-dev-lang-spidermonkeygentoo-linux-upgrade-mail-client-thunderbirdgentoo-linux-upgrade-mail-client-thunderbird-bingentoo-linux-upgrade-www-client-firefoxgentoo-linux-upgrade-www-client-firefox-bin | May 13, 2025 | Mar 4, 2025 | |
| Mfsa2025 14 | mozilla-firefox-upgrade-136_0 | Mar 5, 2025 | Mar 4, 2025 | |
| Mfsa2025 16 | mozilla-firefox-esr-upgrade-128_8 | Mar 5, 2025 | Mar 4, 2025 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-128_8 | Mar 5, 2025 | Mar 4, 2025 | |
| Oracle_linux | — | oracle-linux-upgrade-firefoxoracle-linux-upgrade-firefox-x11 | Mar 10, 2025 | Mar 4, 2025 |
| Redhat_linux | redhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-firefox-x11 | Mar 10, 2025 | Mar 4, 2025 | |
| Rocky_linux | rocky-upgrade-firefoxrocky-upgrade-firefox-debuginforocky-upgrade-firefox-debugsource | Jul 31, 2025 | Jul 29, 2025 | |
| Suse | — | suse-upgrade-libmozjs-128-0suse-upgrade-mozillafirefoxsuse-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-mozjs128suse-upgrade-mozjs128-devel | Mar 6, 2025 | Mar 4, 2025 |
| Ubuntu | ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird | Mar 10, 2025 | Mar 4, 2025 |
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