firefox: A potential vulnerability was found in 32-bit builds where an integer overflow during the conversion of scripts to an...
CVE-2018-12393 is fixed in 12 products on 1 platform, first by firefox 63.0+build2-0ubuntu0.18.04.2, released October 23, 2018. It is not reported as exploited. Patch Radar priority: Routine.
A potential vulnerability was found in 32-bit builds where an integer overflow during the conversion of scripts to an internal UTF-16 representation could result in allocating a buffer too small for the conversion. This leads to a possible out-of-bounds write. *Note: 64-bit builds are not vulnerable to this issue.*. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| firefox · Ubuntu 18.04.6 LTS (bionic) | 63.0+build2-0ubuntu0.18.04.2 | firefox 63.0+build2-0ubuntu0.18.04.2 | Oct 23, 2018 |
| firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) | 63.0+build2-0ubuntu0.18.04.2 | firefox-globalmenu 63.0+build2-0ubuntu0.18.04.2 | Oct 23, 2018 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 63.0+build2-0ubuntu0.18.04.2 | firefox-mozsymbols 63.0+build2-0ubuntu0.18.04.2 | Oct 23, 2018 |
| firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) | 63.0+build2-0ubuntu0.18.04.2 | firefox-testsuite 63.0+build2-0ubuntu0.18.04.2 | Oct 23, 2018 |
| thunderbird · Ubuntu 18.04.6 LTS (bionic) | 1:60.4.0+build2-0ubuntu0.18.04.1 | thunderbird 1:60.4.0+build2-0ubuntu0.18.04.1 | Jan 23, 2019 |
| thunderbird-globalmenu · Ubuntu 18.04.6 LTS (bionic) | 1:60.4.0+build2-0ubuntu0.18.04.1 | thunderbird-globalmenu 1:60.4.0+build2-0ubuntu0.18.04.1 | Jan 23, 2019 |
| thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) | 1:60.4.0+build2-0ubuntu0.18.04.1 | thunderbird-gnome-support 1:60.4.0+build2-0ubuntu0.18.04.1 | Jan 23, 2019 |
| thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 1:60.4.0+build2-0ubuntu0.18.04.1 | thunderbird-mozsymbols 1:60.4.0+build2-0ubuntu0.18.04.1 | Jan 23, 2019 |
| thunderbird-testsuite · Ubuntu 18.04.6 LTS (bionic) | 1:60.4.0+build2-0ubuntu0.18.04.1 | thunderbird-testsuite 1:60.4.0+build2-0ubuntu0.18.04.1 | Jan 23, 2019 |
| xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) | 1:60.4.0+build2-0ubuntu0.18.04.1 | xul-ext-calendar-timezones 1:60.4.0+build2-0ubuntu0.18.04.1 | Jan 23, 2019 |
| xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) | 1:60.4.0+build2-0ubuntu0.18.04.1 | xul-ext-gdata-provider 1:60.4.0+build2-0ubuntu0.18.04.1 | Jan 23, 2019 |
| xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) | 1:60.4.0+build2-0ubuntu0.18.04.1 | xul-ext-lightning 1:60.4.0+build2-0ubuntu0.18.04.1 | Jan 23, 2019 |
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