Firefox ESR: Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2.
CVE-2019-17012 is fixed in 10 products on 2 platforms, first by firefox 71.0+build5-0ubuntu0.18.04.1, released December 3, 2019. It is not reported as exploited. Patch Radar priority: Urgent.
Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Mozilla Firefox ESR (en-US) | 78.0esr | Mozilla Firefox ESR (en-US) 78.0esr | Jun 25, 2020 |
| Linux | |||
| firefox · RHEL 8 | 0:68.3.0-1.el8_1 | RHSA-2019:4111 | Dec 5, 2019 |
| firefox · Ubuntu 18.04.6 LTS (bionic) | 71.0+build5-0ubuntu0.18.04.1 | firefox 71.0+build5-0ubuntu0.18.04.1 | Dec 3, 2019 |
| firefox · Ubuntu 20.04 LTS (focal) | 71.0+build5-0ubuntu1 | firefox 71.0+build5-0ubuntu1 | Dec 3, 2019 |
| firefox · ol 8 | 0:68.3.0-1.0.1.el8_1 | ELSA-2019-4111 | Dec 5, 2019 |
| firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) | 71.0+build5-0ubuntu0.18.04.1 | firefox-geckodriver 71.0+build5-0ubuntu0.18.04.1 | Dec 3, 2019 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 71.0+build5-0ubuntu1 | firefox-geckodriver 71.0+build5-0ubuntu1 | Dec 3, 2019 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 71.0+build5-0ubuntu0.18.04.1 | firefox-mozsymbols 71.0+build5-0ubuntu0.18.04.1 | Dec 3, 2019 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 71.0+build5-0ubuntu1 | firefox-mozsymbols 71.0+build5-0ubuntu1 | Dec 3, 2019 |
| thunderbird · RHEL 8 | 0:68.3.0-2.el8_1 | RHSA-2019:4195 | Dec 10, 2019 |
| thunderbird · Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 | thunderbird 1:68.4.1+build1-0ubuntu0.18.04.1 | Jan 8, 2020 |
| thunderbird · Ubuntu 20.04 LTS (focal) | 1:68.3.0+build2-0ubuntu1 | thunderbird 1:68.3.0+build2-0ubuntu1 | Dec 3, 2019 |
| thunderbird · ol 8 | 0:68.3.0-2.0.1.el8_1 | ELSA-2019-4195 | Dec 11, 2019 |
| thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 | thunderbird-gnome-support 1:68.4.1+build1-0ubuntu0.18.04.1 | Jan 8, 2020 |
| thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) | 1:68.3.0+build2-0ubuntu1 | thunderbird-gnome-support 1:68.3.0+build2-0ubuntu1 | Dec 3, 2019 |
| thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 | thunderbird-mozsymbols 1:68.4.1+build1-0ubuntu0.18.04.1 | Jan 8, 2020 |
| thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) | 1:68.3.0+build2-0ubuntu1 | thunderbird-mozsymbols 1:68.3.0+build2-0ubuntu1 | Dec 3, 2019 |
| xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 | xul-ext-calendar-timezones 1:68.4.1+build1-0ubuntu0.18.04.1 | Jan 8, 2020 |
| xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) | 1:68.3.0+build2-0ubuntu1 | xul-ext-calendar-timezones 1:68.3.0+build2-0ubuntu1 | Dec 3, 2019 |
| xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 | xul-ext-gdata-provider 1:68.4.1+build1-0ubuntu0.18.04.1 | Jan 8, 2020 |
| xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) | 1:68.3.0+build2-0ubuntu1 | xul-ext-gdata-provider 1:68.3.0+build2-0ubuntu1 | Dec 3, 2019 |
| xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 | xul-ext-lightning 1:68.4.1+build1-0ubuntu0.18.04.1 | Jan 8, 2020 |
| xul-ext-lightning · Ubuntu 20.04 LTS (focal) | 1:68.3.0+build2-0ubuntu1 | xul-ext-lightning 1:68.3.0+build2-0ubuntu1 | Dec 3, 2019 |
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