iemejia commented on code in PR #3864:
URL: https://github.com/apache/avro/pull/3864#discussion_r3567491325
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lang/perl/lib/Avro/BinaryDecoder.pm:
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@@ -323,8 +567,11 @@ sub skip_union {
my $class = shift;
my ($schema, $reader) = @_;
my $idx = decode_long($class, undef, undef, $reader);
- my $union_schema = $schema->schemas->[$idx]
- or throw Avro::Schema::Error::Parse("union union member");
+ my $schemas = $schema->schemas;
+ if ($idx < 0 || $idx >= scalar @$schemas) {
+ throw Avro::Schema::Error::Parse("union union member");
+ }
Review Comment:
Already addressed in commit 58989e7402 — skip_union now throws 'Union branch
index $idx out of range for N branches', matching decode_union.
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