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.
77.0.1+build1-0ubuntu0.16.04.11:68.10.0+build1-0ubuntu0.16.04.177.0.1+build1-0ubuntu0.18.04.138.8.0~repack1-0ubuntu138.8.0~repack1-0ubuntu338.8.0~repack1-0ubuntu452.3.1-0ubuntu352.3.1-7fakesync152.8.1-0ubuntu0.18.04.152.9.1-0ubuntu0.18.04.11:68.10.0+build1-0ubuntu0.18.04.177.0.1+build1-0ubuntu0.20.04.152.9.1-1build152.9.1-1ubuntu368.5.0-1~fakesync68.5.0-2~fakesync68.6.0-168.6.0-1ubuntu11:68.10.0+build1-0ubuntu0.20.04.1Exploitability
AV:NAC:HPR:NUI:RScope
S:UImpact
C:NI:NA:HCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H