Yes.

The incident was initially spotted and flagged up by Jeff Garzik here: https://bitcointalk.org/index.php?topic=822.0

The main thread in Development & Technical Discussion is here: https://bitcointalk.org/index.php?topic=823.0

It actually seems like Gavin Andresen wrote a temporary fix first, before satoshi wrote a permanent fix about 20 minutes later.

satoshi then released this as version 0.3.10 a few hours later: https://bitcointalk.org/index.php?topic=827.0