Vulnérabilités de pypqc

Observable Timing Discrepancy in pypqc

### Impact `kyber512`, `kyber768`, and `kyber1024` on Mac OS \(or when compiled with clang\) only: An attacker able to submit many decapsulation requests against a single private key, and to gain timing information about the decapsulation, could recover the private key. Proof-of-concept exploit exists for a local attacker. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:P/RL:U/RC:C ### Patches No patch is currently available / pending upstream [PQClean#556](https://github.com/PQClean/PQClean/issues/556). ### Workarounds No workarounds have been reported. The 0.0.7 -> 0.0.7.1 upgrade, when available, should be a drop-in replacement<!--; it

pypqc private key retrieval vulnerability

### Impact `kyber512`, `kyber768`, and `kyber1024` only: An attacker able to submit many decapsulation requests against a single private key, and to gain timing information about the decapsulation, could recover the private key. Proof-of-concept exploit exists for a local attacker. CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:P/RL:O/RC:C ### Patches Version 0.0.6.1 and newer of PyPQC is patched. ### Workarounds No workarounds have been reported. The 0.0.6 -> 0.0.6.1 upgrade should be a drop-in replacement; it has no known breaking changes. ### References #### Timeline 1. Cryspen researchers privately reported KyberSlash to the referen

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