Memory safety bugs were reported in Firefox 55 and Firefox ESR 52.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
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 |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esr | Dec 1, 2017 | Oct 25, 2017 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 11, 2018 |
| Centos_linux | — | Upgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbird-debuginfoUpgrade thunderbird | Oct 2, 2017 | Sep 29, 2017 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Sep 30, 2017 | Sep 29, 2017 |
| Freebsd | — | Upgrade firefox-esrUpgrade thunderbirdUpgrade linux-thunderbirdUpgrade firefoxUpgrade linux-firefoxUpgrade linux-seamonkeyUpgrade seamonkeyUpgrade libxul | Sep 29, 2017 | Sep 29, 2017 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox. | Feb 20, 2018 | Feb 20, 2018 |
| Mfsa2017 21 | — | Upgrade to Mozilla Firefox version 56.0 | Jul 12, 2018 | Jun 11, 2018 |
| Mfsa2017 22 | — | Upgrade to Mozilla Firefox ESR version 52.4 | Sep 29, 2017 | Sep 28, 2017 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 52.4 | Oct 11, 2017 | Oct 9, 2017 |
| Oracle Solaris | — | Upgrade mail/thunderbird to version 52.4.0-0.175.3.26.0.4.0 on Solaris 11.3Upgrade web/data/firefox-bookmarks to version 52.4.0-0.175.3.25.0.3.0 on Solaris 11.3Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 52.4.0-0.175.3.26.0.4.0 on Solaris 11.3Upgrade web/browser/firefox/plugin/firefox-java to version 52.4.0-0.175.3.25.0.3.0 on Solaris 11.3Upgrade web/browser/firefox to version 52.4.0-0.175.3.25.0.3.0 on Solaris 11.3 | Nov 30, 2017 | Nov 30, 2017 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Sep 29, 2017 | Sep 28, 2017 |
| Redhat_linux | — | Upgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbird | Oct 4, 2017 | Sep 29, 2017 |
| Suse | — | Upgrade mozillathunderbird-translations-otherUpgrade libsoftokn3Upgrade mozillathunderbirdUpgrade libsoftokn3-32bitUpgrade libfreebl3-32bitUpgrade libsoftokn3-hmac-32bitUpgrade mozillafirefox-develUpgrade mozilla-nss-toolsUpgrade mozillathunderbird-translations-commonUpgrade mozilla-nss-develUpgrade MozillaFirefox-translationsUpgrade libfreebl3-hmac-32bitUpgrade mozilla-nss-x86Upgrade mozillafirefox-translations-otherUpgrade mozilla-nss-32bitUpgrade libfreebl3Upgrade mozillafirefoxUpgrade mozilla-nss-sysinit-32bitUpgrade mozilla-nss-sysinitUpgrade mozilla-nss-certs-32bitUpgrade MozillaThunderbird-buildsymbolsUpgrade libsoftokn3-hmacUpgrade mozillafirefox-translations-commonUpgrade mozilla-nss-certsUpgrade libfreebl3-hmacUpgrade MozillaThunderbird-develUpgrade libfreebl3-x86Upgrade libsoftokn3-x86Upgrade mozilla-nss | Oct 2, 2017 | Sep 29, 2017 |
| Ubuntu | — | Upgrade thunderbirdUpgrade libmozjs-52-0Upgrade firefox | Oct 3, 2017 | Sep 29, 2017 |
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