{"id":"CVE-2026-76234","revision":"a08cc6ce8e5f44318aaa846e4a34cad2","records":[{"revision":"a08cc6ce8e5f44318aaa846e4a34cad2","observedAt":"2026-10-27T16:45:50.731+00:00","statement":{"source":"nvd","id":"CVE-2026-76234","aliases":[],"title":"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…","description":"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.","state":0,"publishedAt":"2026-08-19T14:17:52.797+00:00","modifiedAt":"2026-10-27T13:10:00.36+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · disclosure@vulncheck.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1 · disclosure@vulncheck.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/celabshq/libcrux/security/advisories/GHSA-435g-fcv3-8j26","https://www.vulncheck.com/advisories/libcrux-before-cryptographic-implementation-bug-fixes"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-76234","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-347"],"productCriteria":[],"sourceDates":{"published":"2026-08-19T14:17:52.797","lastModified":"2026-10-27T13:10:00.360"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-76234","identifiers":["CVE-2026-76234"]},"retained":false,"historicalAffected":[]}],"coverage":[]}