{"id":"CVE-2026-87737","title":"An issue was discovered in the mirage-crypto-ec package before 2.4.0 for OCaml","summary":"An issue was discovered in the mirage-crypto-ec package before 2.4.0 for OCaml. There is a timing side channel for NIST elliptic-curve scalar multiplication: the time required for a lookup can depend on a secret.","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-208"],"vendor":"OCaml","product":"mirage-crypto-ec","affected":["mirage-crypto-ec < 2.4.0"],"published":"2026-09-09","updated":"2026-09-09","sourceUpdated":"2026-09-09T16:04:24.933","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87737","references":[{"url":"https://osv.dev/vulnerability/OSEC-2026-17","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-09T13:09:56.811729Z"},"ingestedAt":"2026-09-09T05:00:01.767Z","epss":0.00212,"epssPercentile":0.11797,"slug":"CVE-2026-87737","body":"## Overview\n\nAn issue was discovered in the mirage-crypto-ec package before 2.4.0 for OCaml. There is a timing side channel for NIST elliptic-curve scalar multiplication: the time required for a lookup can depend on a secret.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}