This update for git fixes the following issues: Security issues fixed: - CVE-2019-1349: Fixed issue on Windows, when submodules are cloned recursively, under certain circumstances Git could be fooled into using the same Git directory twice . - CVE-2019-19604: Fixed a recursive clone followed by a submodule update could execute code contained within the repository without the user explicitly having asked for that . - CVE-2019-1387: Fixed recursive clones that are currently affected by a vulnerability that is caused by too-lax validation of submodule names, allowing very targeted attacks via remote code execution in recursive clones . - CVE-2019-1354: Fixed issue on Windows that refuses to write tracked files with filenames that contain backslashes . - CVE-2019-1353: Fixed issue when run in the Windows Subsystem for Linux while accessing a working directory on a regular Windows drive, none of the NTFS protections were active . - CVE-2019-1352: Fixed issue on Windows was unaware of NTFS Alternate Data Streams . - CVE-2019-1351: Fixed issue on Windows mistakes drive letters outside of the US-English alphabet as relative paths . - CVE-2019-1350: Fixed incorrect quoting of command-line arguments allowed remote code execution during a recursive clone in conjunction with SSH URLs . - CVE-2019-1348: Fixed the --export-marks option of fast-import is exposed also via the in-stream command feature export-marks=... and it allows overwriting arbitrary paths . - Fixed an issue where git send-email fails to authenticate with SMTP server