rust: memory safety violation in Zip implementation when next_back() and next() are used together

In the standard library in Rust before 1.52.0, the Zip implementation calls iteratorgetunchecked more than once for the same index under certain conditions when nextback and next are used together. This bug could lead to a memory safety violation due to an unmet safety requirement for the...

CVE-2021-28878

In the standard library in Rust before 1.52.0, the Zip implementation calls iteratorgetunchecked more than once for the same index under certain conditions when nextback and next are used together. This bug could lead to a memory safety violation due to an unmet safety requirement for the...