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-2019-9801: Fixed an issue which could allow Windows programs to be exposed to web content
- CVE-2019-9788: Fixed multiple memory safety bugs
- CVE-2019-9790: Fixed a Use-after-free vulnerability when removing in-use DOM elements
- CVE-2019-9791: Fixed an incorrect Type inference for constructors entered through on-stack replacement
with IonMonkey
- CVE-2019-9792: Fixed an issue where IonMonkey leaks JS_OPTIMIZED_OUT magic value to script
- CVE-2019-9793: Fixed multiple improper bounds checks when Spectre mitigations are disabled
- CVE-2019-9794: Fixed an issue where command line arguments not discarded during execution
- CVE-2019-9795: Fixed a Type-confusion vulnerability in IonMonkey JIT compiler
- 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.
- CVE-2019-5785: Fixed an integer overflow vulnerability in the Skia library which can occur
after specific transform operations, leading to a potentially exploitable crash.
- CVE-2018-18335: Fixed a buffer overflow vulnerability in the Skia library which can occur with
Canvas 2D acceleration on macOS. This issue was addressed by disabling Canvas 2D acceleration
in Firefox ESR. Note: this does not affect other versions and platforms where Canvas 2D
acceleration is already disabled by default.
- CVE-2018-18509: Fixed a flaw which during verification of certain S/MIME signatures
showing mistakenly that emails bring a valid sugnature.
Release notes:
https://www.mozilla.org/en-US/security/advisories/mfsa2019-12/
https://www.mozilla.org/en-US/security/advisories/mfsa2019-11/
https://www.mozilla.org/en-US/security/advisories/mfsa2019-06/