Comment # 6 on bug 1012969 from Bruno Friedmann

The bug is trivial and fixed since 2013 (yeap 4 years ago)
Message + patch to apply 

https://lists.amavis.org/pipermail/amavis-users/2013-September/002574.html


Could we have a maintenance urgently it has broken my upgrade 42.1 to 42.3
(due to my remove of usage of server:mail repository)

Patch is so simple 

--- amavisd~    2013-09-04 14:43:24.000000000 +0200
+++ amavisd    2013-09-05 00:54:37.000000000 +0200
@@ -5612,5 +5612,5 @@
     !grep($_ > 255, @d)
       or die "Invalid decimal field value in IPv6 address: [$ip]\n";
-    $ipa = $2 . sprintf('%02x%02x:%02x%02x', @d);
+    $ipa = $1 . sprintf('%02x%02x:%02x%02x', @d);
   } elsif (!$have_ipv6 &&
            $ipa =~ m{^ \d{1,3} (?: \. \d{1,3}){0,3} \z}xs) {  # IPv4
@@ -5650,5 +5650,5 @@
   @ip_fields >= 8  or die "IPv6 address [$ip] contains fewer than 8 fields\n";
   @ip_fields <= 8  or die "IPv6 address [$ip] contains more than 8 fields\n";
-  !grep(!/^[0-9a-zA-Z]{1,4}\z/, @ip_fields)  # this is quite slow
+  !grep(!/^[0-9a-fA-F]{1,4}\z/, @ip_fields)  # this is quite slow
     or die "Invalid syntax of IPv6 address: [$ip]\n";
   my $vec = pack('n8', map(hex($_), at ip_fields));