firefox: A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdo...
CVE-2018-12377 is fixed in 12 products on 1 platform, first by firefox 62.0+build2-0ubuntu0.18.04.3, released September 5, 2018. It is not reported as exploited. Patch Radar priority: Routine.
A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| firefox · Ubuntu 18.04.6 LTS (bionic) | 62.0+build2-0ubuntu0.18.04.3 | firefox 62.0+build2-0ubuntu0.18.04.3 | Sep 5, 2018 |
| firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) | 62.0+build2-0ubuntu0.18.04.3 | firefox-globalmenu 62.0+build2-0ubuntu0.18.04.3 | Sep 5, 2018 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 62.0+build2-0ubuntu0.18.04.3 | firefox-mozsymbols 62.0+build2-0ubuntu0.18.04.3 | Sep 5, 2018 |
| firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) | 62.0+build2-0ubuntu0.18.04.3 | firefox-testsuite 62.0+build2-0ubuntu0.18.04.3 | Sep 5, 2018 |
| thunderbird · Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | thunderbird 1:60.2.1+build1-0ubuntu0.18.04.2 | Feb 28, 2019 |
| thunderbird-globalmenu · Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | thunderbird-globalmenu 1:60.2.1+build1-0ubuntu0.18.04.2 | Feb 28, 2019 |
| thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | thunderbird-gnome-support 1:60.2.1+build1-0ubuntu0.18.04.2 | Feb 28, 2019 |
| thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | thunderbird-mozsymbols 1:60.2.1+build1-0ubuntu0.18.04.2 | Feb 28, 2019 |
| thunderbird-testsuite · Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | thunderbird-testsuite 1:60.2.1+build1-0ubuntu0.18.04.2 | Feb 28, 2019 |
| xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | xul-ext-calendar-timezones 1:60.2.1+build1-0ubuntu0.18.04.2 | Feb 28, 2019 |
| xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | xul-ext-gdata-provider 1:60.2.1+build1-0ubuntu0.18.04.2 | Feb 28, 2019 |
| xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | xul-ext-lightning 1:60.2.1+build1-0ubuntu0.18.04.2 | Feb 28, 2019 |
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