There is 1 open security issue in bookworm.
1 important issue:
- CVE-2026-57585:
MessagePack is the serializer implementation for Python msgpack.org. Prior to 1.2.1, there is an Out-of-bounds read/crash on Unpacker reuse after a caught error, potentially leading to a DoS attack. If the Unpacker is used repeatedly after an error occurs, the process may crash with a SEGV. This issue has been fixed in version 1.2.1.
![[bug history graph]](https://qa.debian.org/data/bts/graphs/p/python-msgpack.png){kind=link}