This update for MozillaFirefox fixes the following issues:
Mozilla Firefox Firefox 60.7.2
MFSA 2019-19 (bsc#1138872)
CVE-2019-11708: Fix sandbox escape using Prompt:Open.
Insufficient vetting of parameters passed with the Prompt:Open IPC
message between child and parent processes could result in the non-sandboxed
parent process opening web content chosen by a compromised child process.
When combined with additional vulnerabilities this could result in executing
arbitrary code on the user's computer.