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RUSTSEC-2026-0074
No affected components available
The incremental squeeze functions in the portable SHAKE XOF API, when
attempting to squeeze more than RATE (168 for SHAKE128, 136 for
SHAKE256) bytes, performed an additional permutation of the state
before producing the first output block, thus discarding the first
block of RATE bytes of valid XOF output.
Impact
This bug impacts users that rely on this XOF API to squeeze more than
RATE bytes. It does not impact the use of libcrux-sha3 in
libcrux-ml-kem or libcrux-ml-dsa.
Mitigation
Starting from version 0.0.8 the squeeze functions correctly output
all blocks including the first block.
Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.
No exploitation activity has been observed at this time. Continue routine monitoring.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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