ICU Port Update failes

[Userland]

Dear port maintainer,

Just to inform you that the current icu update is not working.

I updated my port collection but get this error:

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===>  icu-58.2_2,1 has known vulnerabilities:
icu-58.2_2,1 is vulnerable:
icu -- multiple vulnerabilities
CVE: CVE-2017-7868
CVE: CVE-2017-7867
WWW: 
https://vuxml.FreeBSD.org/freebsd/607f8b57-7454-42c6-a88a-8706f327076d.html

1 problem(s) in the installed packages found.
=> Please update your ports tree and try again.
=> Note: Vulnerable ports are marked as such even if there is no update 
available.
=> If you wish to ignore this vulnerability rebuild with 'make 
DISABLE_VULNERABILITIES=yes'
*** Error code 1

Stop.
make: stopped in /usr/ports/devel/icu

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Can you tell me how to solve this? Thanks!

Keep up the good work,
Jos