This update for bash fixes the following issues: Security issues fixed: - CVE-2016-7543: A code execution possibility via SHELLOPTS+PS4 variable was fixed - CVE-2016-0634: Arbitrary code execution via malicious hostname was fixed Non-security issues fixed: - Fix repeating self-calling of traps due the combination of a non-interactive shell, a trap handler for SIGINT, an external process in the trap handler, and a SIGINT within the trap after the external process runs