thunderbird: dDecrypted S/MIME parts hidden with CSS or the plaintext HTML tag can leak plaintext when included in a HTML reply/fo...
CVE-2018-12373 is fixed in 8 products on 1 platform, first by thunderbird 1:52.9.1+build3-0ubuntu0.18.04.1, released July 4, 2018. It is not reported as exploited. Patch Radar priority: Routine.
dDecrypted S/MIME parts hidden with CSS or the plaintext HTML tag can leak plaintext when included in a HTML reply/forward. This vulnerability affects Thunderbird < 52.9.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| thunderbird · Ubuntu 18.04.6 LTS (bionic) | 1:52.9.1+build3-0ubuntu0.18.04.1 | thunderbird 1:52.9.1+build3-0ubuntu0.18.04.1 | Jul 4, 2018 |
| thunderbird-globalmenu · Ubuntu 18.04.6 LTS (bionic) | 1:52.9.1+build3-0ubuntu0.18.04.1 | thunderbird-globalmenu 1:52.9.1+build3-0ubuntu0.18.04.1 | Jul 4, 2018 |
| thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) | 1:52.9.1+build3-0ubuntu0.18.04.1 | thunderbird-gnome-support 1:52.9.1+build3-0ubuntu0.18.04.1 | Jul 4, 2018 |
| thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 1:52.9.1+build3-0ubuntu0.18.04.1 | thunderbird-mozsymbols 1:52.9.1+build3-0ubuntu0.18.04.1 | Jul 4, 2018 |
| thunderbird-testsuite · Ubuntu 18.04.6 LTS (bionic) | 1:52.9.1+build3-0ubuntu0.18.04.1 | thunderbird-testsuite 1:52.9.1+build3-0ubuntu0.18.04.1 | Jul 4, 2018 |
| xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) | 1:52.9.1+build3-0ubuntu0.18.04.1 | xul-ext-calendar-timezones 1:52.9.1+build3-0ubuntu0.18.04.1 | Jul 4, 2018 |
| xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) | 1:52.9.1+build3-0ubuntu0.18.04.1 | xul-ext-gdata-provider 1:52.9.1+build3-0ubuntu0.18.04.1 | Jul 4, 2018 |
| xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) | 1:52.9.1+build3-0ubuntu0.18.04.1 | xul-ext-lightning 1:52.9.1+build3-0ubuntu0.18.04.1 | Jul 4, 2018 |
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