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osvGoogleOSV:GHSA-MMC9-PWM7-QJ5W
HistoryAug 25, 2021 - 8:56 p.m.

Unaligned memory access in rand_core

2021-08-2520:56:50
Google
osv.dev
20
memory access
rand_core
alignment
integer slices
undefined behavior
patches
ralf jung
diggory hardy
rust
changelog
advisory
issue
repository

EPSS

0.002

Percentile

60.7%

Impact

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.

Patches

The flaw was corrected by Ralf Jung and Diggory Hardy for rand_core >= 0.4.2.

Workarounds

None.

References

See Rand’s changelog.

For more information

If you have any questions or comments about this advisory, open an issue in the Rand repository.

EPSS

0.002

Percentile

60.7%