CVE-2020-25576: Unaligned memory access in rand_core

August 25, 2021

Affected versions of this crate violated alignment when casting byte slices to integer slices, resulting in undefined behavior. rand_core::BlockRng::next_u64 and rand_core::BlockRng::fill_bytes are affected.

References

github.com/advisories/GHSA-mmc9-pwm7-qj5w
github.com/rust-random/rand
github.com/rust-random/rand/blob/master/rand_core/CHANGELOG.md
github.com/rust-random/rand/security/advisories/GHSA-mmc9-pwm7-qj5w
nvd.nist.gov/vuln/detail/CVE-2020-25576
rustsec.org/advisories/RUSTSEC-2019-0035.html

Code Behaviors & Features

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