This advisory has been withdrawn because it is a duplicate of GHSA-w5hq-g745-h8pq. This link is maintained to preserve external references.
Original Advisory
uuid before 14.0.0 can make unexpected writes when external output buffers are used, and the UUID version is 3, 5, or 6. In particular, UUID version 4, which is very commonly used, is unaffected by this issue.