It looks as though there is a security vulnerability in this version.
I believe simply changing the version number will work for this :)
Arch teams, please test and mark stable:
Targeted stable KEYWORDS : amd64 x86
Maintainer(s), please cleanup.
Security, please add it to the existing request, or file a new one.
Heap-based buffer overflow in Adobe Flash Player before 18.104.22.1686 and 14.x
through 18.x before 22.214.171.124 on Windows and OS X and before 126.96.36.1998
on Linux allows remote attackers to execute arbitrary code via unspecified
vectors, as exploited in the wild in June 2015.
Cleanup was done by maintainer
GLSA request filed
This issue was resolved and addressed in
GLSA 201507-13 at https://security.gentoo.org/glsa/201507-13
by GLSA coordinator Kristian Fiskerstrand (K_F).