Key Information Vulnerability ID ID: RUSTSEC-2021-0086 Package: flumedb Date: 2021-01-07 Related Links URL: https://github.com/sunrise-choir/flumedb-rs/issues/10 References: - https://github.com/sunrise-choir/flumedb-rs/pull/12 Categories Categories: - memory-exposure Information Informational: - unsound Aliases: - CVE-2021-45684 - GHSA-p46c-w9m3-7qr2 - GHSA-p56p-gq3f-whg8 Versions Patched: - >=0.1.6 Description on uninitialized buffer may cause UB ( ) Affected versions of this crate pass an uninitialized buffer to a user-provided implementation. There are two such cases ( & ). Arbitrary implementations can read from the uninitialized buffer (memory exposure) and also can return incorrect number of bytes written to the buffer. Reading from uninitialized memory produces undefined values that can quickly invoke undefined behavior.