CVE-2020-12405
Firefox ESR: When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a…
CVE-2020-12405 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: Routine.
RoutineFixed on 2 platforms
CVSS
5.3
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0135
71st percentile
When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. 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.