There are 2 open security issues in bullseye.
1 issue left for the package maintainer to handle:
An issue was discovered in the failure crate through 2019-11-13 for Rust. Type confusion can occur when __private_get_type_id__ is overridden.
You can find information about how to handle this issue in the security team's documentation.
1 ignored issue:
** UNSUPPORTED WHEN ASSIGNED ** An issue was discovered in the failure crate through 0.1.5 for Rust. It may introduce "compatibility hazards" in some applications, and has a type confusion flaw when downcasting. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: This may overlap CVE-2019-25010.