tree e03e6ec4ea7b7ead1a6dd2c5764186f677a3fd6e
parent dbe645f879e6906945a07935b5da344f8801afd4
author Davide Pesavento <davidepesa@gmail.com> 1619234651 -0400
committer Davide Pesavento <davidepesa@gmail.com> 1619236136 -0400

encoding: prevent dereferencing of past-the-end iterator in Block::value()

If m_buffer is valid but empty, m_valueBegin is equal to m_valueEnd and
thus cannot be dereferenced. This could happen with zero-length TLVs,
e.g., if a Block is constructed with an empty buffer as TLV value.

Change-Id: I254f2d96ba250c38fd832d59e4cd5611beeda6b1