A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/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 |
|---|---|---|---|---|
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Jun 11, 2018 | |
| Centos_linux | — | centos-upgrade-firefoxcentos-upgrade-firefox-debuginfo | Apr 21, 2017 | Apr 20, 2017 |
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-upgrade-package-seamonkeyfreebsd-upgrade-package-linux-seamonkeyfreebsd-upgrade-package-firefox-esrfreebsd-upgrade-package-linux-firefoxfreebsd-upgrade-package-libxulfreebsd-upgrade-package-thunderbirdfreebsd-upgrade-package-linux-thunderbird | Apr 20, 2017 | Apr 19, 2017 | |
| Huawei Euleros 2_0_sp1 | huawei-euleros-2_0_sp1-upgrade-firefox | Oct 4, 2019 | Jun 11, 2018 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-firefox | Oct 4, 2019 | Jun 11, 2018 | |
| Mfsa2017 10 | mozilla-firefox-upgrade-53_0 | Jul 12, 2018 | Jun 11, 2018 | |
| Mfsa2017 12 | mozilla-firefox-esr-upgrade-52_1 | Apr 20, 2017 | Apr 19, 2017 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-entire-11-4-11-4-0-0-1-15-0 | Oct 19, 2018 | Jun 11, 2018 | |
| Oracle_linux | — | oracle-linux-upgrade-firefox | Apr 20, 2017 | Apr 19, 2017 |
| Redhat_linux | — | redhat-upgrade-firefoxredhat-upgrade-firefox-debuginfo | Apr 20, 2017 | Apr 20, 2017 |
| Suse | — | suse-upgrade-firefox-gcc5suse-upgrade-firefox-libffi-gcc5suse-upgrade-firefox-libffi4suse-upgrade-firefox-libstdc-6suse-upgrade-libfreebl3suse-upgrade-libfreebl3-32bitsuse-upgrade-libfreebl3-x86suse-upgrade-libsoftokn3suse-upgrade-libsoftokn3-32bitsuse-upgrade-libsoftokn3-x86suse-upgrade-mozilla-nsssuse-upgrade-mozilla-nss-32bitsuse-upgrade-mozilla-nss-develsuse-upgrade-mozilla-nss-toolssuse-upgrade-mozilla-nss-x86suse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-branding-slesuse-upgrade-mozillafirefox-branding-sledsuse-upgrade-mozillafirefox-develsuse-upgrade-mozillafirefox-translationssuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-other | Jun 26, 2017 | Apr 20, 2017 |
| Ubuntu | ubuntu-upgrade-firefox | Apr 21, 2017 | Apr 20, 2017 |
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