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A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in the file picker through the use of relative paths. This allows for read only access to the local file system. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 11, 2018 |
| Centos_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade thunderbird-debuginfoUpgrade firefox-debuginfo | Apr 21, 2017 | Apr 20, 2017 |
| Freebsd | — | Upgrade firefox-esrUpgrade linux-thunderbirdUpgrade thunderbirdUpgrade firefoxUpgrade libxulUpgrade linux-seamonkeyUpgrade seamonkeyUpgrade linux-firefox | Apr 20, 2017 | Apr 19, 2017 |
| Mfsa2017 10 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 53.0 | Jul 12, 2018 | Jun 11, 2018 |
| Mfsa2017 12 | — | Upgrade to Mozilla Firefox ESR version 52.1Upgrade to the latest version of Mozilla Firefox | Apr 20, 2017 | Apr 19, 2017 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 52.1 | May 2, 2017 | Apr 30, 2017 |
| Oracle Solaris | — | Upgrade entire/ to version 11.4-11.4.0.0.1.15.0 on Solaris 11.4 | Oct 19, 2018 | Jun 11, 2018 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Apr 20, 2017 | Apr 19, 2017 |
| Redhat_linux | — | Upgrade firefoxUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoNo solution existsUpgrade thunderbird | Apr 20, 2017 | Apr 20, 2017 |
| Suse | — | Upgrade MozillaThunderbird-debuginfoUpgrade MozillaFirefoxUpgrade MozillaThunderbird-debugsourceUpgrade MozillaFirefox-translationsUpgrade mozillafirefox-branding-sleUpgrade MozillaThunderbird-buildsymbolsUpgrade MozillaThunderbirdUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbird-develUpgrade MozillaThunderbird-translations-other | May 6, 2017 | Apr 20, 2017 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Apr 21, 2017 | Apr 20, 2017 |
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