Flash Player 25.0.0.127 was Released March 14. The current Release 25.0.0.148 was Released April 11 and the current Beta 25 build (for Linux/Windows at least) from April 12 is 25.0.0.156 Yet the current Release for Mac OSX is 25.0.0.163 ??? as stated on http://www.adobe.com/software/flash/about/Mo_D wrote:Main profile
File: Flash Player.plugin
Path: /Library/Internet Plug-Ins/Flash Player.plugin
Version: 25.0.0.127
State: Disabled (STATE_VULNERABLE_UPDATE_AVAILABLE)
Shockwave Flash 25.0 r0
New profile
File: Flash Player.plugin
Path: /Library/Internet Plug-Ins/Flash Player.plugin
Version: 25.0.0.127
State: Enabled
Shockwave Flash 25.0 r0
Current Mac version available from Adobe.com: 25.0.0.163
Looks like 25.0.0.163 was a update after the 25.0.0.148 security update mentioned in last April 11 Adobe Security Bulletin
https://addons.mozilla.org/blocked/
Apr 11, 2017: Flash Player Plugin 24.0.0.221 to 25.0.0.127