Firefox ESR: Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting…
CVE-2020-12406 is fixed in 10 products on 2 platforms, first by firefox 77.0.1+build1-0ubuntu0.18.04.1, released June 2, 2020. It is not reported as exploited. Patch Radar priority: High.
Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
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 | 0:68.9.0-1.el8_2 | RHSA-2020:2379 | Jun 3, 2020 |
| firefox · Ubuntu 18.04.6 LTS (bionic) | 77.0.1+build1-0ubuntu0.18.04.1 | firefox 77.0.1+build1-0ubuntu0.18.04.1 | Jun 2, 2020 |
| firefox · Ubuntu 20.04 LTS (focal) | 77.0.1+build1-0ubuntu0.20.04.1 | firefox 77.0.1+build1-0ubuntu0.20.04.1 | Jun 2, 2020 |
| firefox · ol 8 | 0:68.9.0-1.0.1.el8_2 | ELSA-2020-2379 | Jun 5, 2020 |
| firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) | 77.0.1+build1-0ubuntu0.18.04.1 | firefox-geckodriver 77.0.1+build1-0ubuntu0.18.04.1 | Jun 2, 2020 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 77.0.1+build1-0ubuntu0.20.04.1 | firefox-geckodriver 77.0.1+build1-0ubuntu0.20.04.1 | Jun 2, 2020 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 77.0.1+build1-0ubuntu0.18.04.1 | firefox-mozsymbols 77.0.1+build1-0ubuntu0.18.04.1 | Jun 2, 2020 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 77.0.1+build1-0ubuntu0.20.04.1 | firefox-mozsymbols 77.0.1+build1-0ubuntu0.20.04.1 | Jun 2, 2020 |
| thunderbird · RHEL 8 | 0:68.9.0-1.el8_2 | RHSA-2020:2614 | Jun 22, 2020 |
| thunderbird · Ubuntu 18.04.6 LTS (bionic) | 1:68.10.0+build1-0ubuntu0.18.04.1 | thunderbird 1:68.10.0+build1-0ubuntu0.18.04.1 | Oct 8, 2020 |
| thunderbird · Ubuntu 20.04 LTS (focal) | 1:68.10.0+build1-0ubuntu0.20.04.1 | thunderbird 1:68.10.0+build1-0ubuntu0.20.04.1 | Oct 8, 2020 |
| thunderbird · ol 8 | 0:68.9.0-1.0.1.el8_2 | ELSA-2020-2614 | Jun 23, 2020 |
| thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) | 1:68.10.0+build1-0ubuntu0.18.04.1 | thunderbird-gnome-support 1:68.10.0+build1-0ubuntu0.18.04.1 | Oct 8, 2020 |
| thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) | 1:68.10.0+build1-0ubuntu0.20.04.1 | thunderbird-gnome-support 1:68.10.0+build1-0ubuntu0.20.04.1 | Oct 8, 2020 |
| thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 1:68.10.0+build1-0ubuntu0.18.04.1 | thunderbird-mozsymbols 1:68.10.0+build1-0ubuntu0.18.04.1 | Oct 8, 2020 |
| thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) | 1:68.10.0+build1-0ubuntu0.20.04.1 | thunderbird-mozsymbols 1:68.10.0+build1-0ubuntu0.20.04.1 | Oct 8, 2020 |
| xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) | 1:68.10.0+build1-0ubuntu0.18.04.1 | xul-ext-calendar-timezones 1:68.10.0+build1-0ubuntu0.18.04.1 | Oct 8, 2020 |
| xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) | 1:68.10.0+build1-0ubuntu0.20.04.1 | xul-ext-calendar-timezones 1:68.10.0+build1-0ubuntu0.20.04.1 | Oct 8, 2020 |
| xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) | 1:68.10.0+build1-0ubuntu0.18.04.1 | xul-ext-gdata-provider 1:68.10.0+build1-0ubuntu0.18.04.1 | Oct 8, 2020 |
| xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) | 1:68.10.0+build1-0ubuntu0.20.04.1 | xul-ext-gdata-provider 1:68.10.0+build1-0ubuntu0.20.04.1 | Oct 8, 2020 |
| xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) | 1:68.10.0+build1-0ubuntu0.18.04.1 | xul-ext-lightning 1:68.10.0+build1-0ubuntu0.18.04.1 | Oct 8, 2020 |
| xul-ext-lightning · Ubuntu 20.04 LTS (focal) | 1:68.10.0+build1-0ubuntu0.20.04.1 | xul-ext-lightning 1:68.10.0+build1-0ubuntu0.20.04.1 | Oct 8, 2020 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.