This update for MozillaThunderbird to version 60.5.1 fixes the following issues:
Security issues fixed:
Update to MozillaThunderbird 60.6.1 (bsc#1130262):
CVE-2019-9813: Fixed Ionmonkey type confusion with proto mutations
CVE-2019-9810: Fixed IonMonkey MArraySlice incorrect alias information
Update to MozillaThunderbird 60.6 (bsc#1129821):
CVE-2018-18506: Fixed an issue with Proxy Auto-Configuration file
CVE-2019-9796: Fixed a Use-after-free vulnerability in SMIL animation controller
Update to MozillaThunderbird 60.5.1 (bsc#1125330):
CVE-2018-18356: Fixed a use-after-free vulnerability in the Skia library which can occur when creating a path, leading to a potentially exploitable crash.