CVE-2026-76234High· 7.5▾ Twilightlibcrux-ecdh and libcrux-ed25519 before 0.0.6, and libcrux-psq before 0.0.7, contain cryptographic implementation bugs. libcrux-ecdh did not properly check length and clamping during X25519 secret validation (and had a broken clamping ch…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Last analysed / modified upstream
0.2% → 0.3%
— → 7.5
low → high
libcrux-ecdh and libcrux-ed25519 before 0.0.6, and libcrux-psq before 0.0.7, contain cryptographic implementation bugs. libcrux-ecdh did not properly check length and clamping during X25519 secret validation (and had a broken clamping check for imported X25519 secret keys); libcrux-ed25519 performed a duplicated clamping step during key generation; and libcrux-psq panicked instead of propagating an AEADError. These were fixed in the respective patched releases.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
libcrux-ecdh < 0.0.6libcrux-ed25519 < 0.0.6libcrux-psq < 0.0.7Patched in:
libcrux-ecdh 0.0.6libcrux-ed25519 0.0.6libcrux-psq 0.0.7Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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