Anyone who uses total_size(…) function to partial read the length of any FixVec will get an incorrect result, due to an incorrect implementation. This has been resolved in the 0.7.2 release.
github.com/nervosnetwork/molecule
github.com/nervosnetwork/molecule/pull/49
github.com/nervosnetwork/molecule/security/advisories/GHSA-82hm-vh7g-hrh9
nvd.nist.gov/vuln/detail/CVE-2021-45697
raw.githubusercontent.com/rustsec/advisory-db/main/crates/molecule/RUSTSEC-2021-0103.md
rustsec.org/advisories/RUSTSEC-2021-0103.html