CVE-2021-45686: Use of Uninitialized Resource

An issue was discovered in the csv-sniffer crate through 2021-01-05 for Rust. preambleskipcount may read from uninitialized memory locations...

`Read` on uninitialized memory may cause UB (fn preamble_skipcount())

Affected versions of this crate passes an uninitialized buffer to a user-provided Read implementation within fn preambleskipcount. Arbitrary Read implementations can read from the uninitialized buffer memory exposure and also can return incorrect number of bytes written to the buffer. Reading fro...