Early Access — Mondoo Vulnerability Intelligence is currently in preview.
Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
41.0.2+build2-0ubuntu142.0+build2-0ubuntu144.0+build3-0ubuntu244.0.1+build1-0ubuntu144.0.2+build1-0ubuntu145.0+build2-0ubuntu145.0.1+build1-0ubuntu145.0.2+build1-0ubuntu146.0+build5-0ubuntu0.16.04.246.0.1+build1-0ubuntu0.16.04.2+70 more74.0.1+build1-0ubuntu0.16.04.156.0+build6-0ubuntu157.0.1+build2-0ubuntu159.0.1+build1-0ubuntu159.0.2+build1-0ubuntu160.0+build2-0ubuntu160.0.1+build2-0ubuntu0.18.04.160.0.2+build1-0ubuntu0.18.04.161.0+build3-0ubuntu0.18.04.161.0.1+build1-0ubuntu0.18.04.162.0+build2-0ubuntu0.18.04.3+33 more74.0.1+build1-0ubuntu0.18.04.169.0.3+build1-0ubuntu170.0+build2-0ubuntu170.0+build2-0ubuntu270.0.1+build1-0ubuntu271.0+build2-0ubuntu271.0+build5-0ubuntu172.0.1+build1-0ubuntu172.0.2+build1-0ubuntu173.0+build1-0ubuntu173.0+build2-0ubuntu1+6 more75.0+build3-0ubuntu11:38.3.0+build1-0ubuntu21:38.5.1+build2-0ubuntu11:38.6.0+build1-0ubuntu11:38.7.2+build1-0ubuntu0.16.04.11:38.8.0+build1-0ubuntu0.16.04.11:45.2.0+build1-0ubuntu0.16.04.11:45.3.0+build1-0ubuntu0.16.04.21:45.4.0+build1-0ubuntu0.16.04.11:45.5.1+build1-0ubuntu0.16.04.11:45.7.0+build1-0ubuntu0.16.04.1+20 more1:68.7.0+build1-0ubuntu0.16.04.21:52.4.0+build1-0ubuntu21:52.6.0+build1-0ubuntu11:52.7.0+build1-0ubuntu11:52.8.0+build1-0ubuntu0.18.04.11:52.9.1+build3-0ubuntu0.18.04.11:60.2.1+build1-0ubuntu0.18.04.21:60.4.0+build2-0ubuntu0.18.04.11:60.5.1+build2-0ubuntu0.18.04.11:60.6.1+build2-0ubuntu0.18.04.11:60.7.0+build1-0ubuntu0.18.04.1+7 more1:68.7.0+build1-0ubuntu0.18.04.11:68.1.2+build1-0ubuntu11:68.1.2+build1-0ubuntu21:68.2.1+build1-0ubuntu11:68.2.2+build1-0ubuntu11:68.3.0+build2-0ubuntu11:68.3.1+build1-0ubuntu21:68.4.1+build1-0ubuntu11:68.4.2+build2-0ubuntu11:68.5.0+build1-0ubuntu11:68.6.0+build2-0ubuntu11:68.7.0+build1-0ubuntu1Exploitability
AV:NAC:HPR:NUI:NScope
S:UImpact
C:HI:HA:HCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H