Description
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.
Published: 2026-09-09
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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References
History

Sun, 13 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Ocaml
Ocaml mirage-crypto-ec
Vendors & Products Ocaml
Ocaml mirage-crypto-ec

Wed, 09 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 09 Sep 2026 11:45:00 +0000

Type Values Removed Values Added
Title Timing Side Channel in NIST Elliptic‑Curve Scalar Multiplication

Wed, 09 Sep 2026 04:30:00 +0000

Type Values Removed Values Added
Description 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.
Weaknesses CWE-208
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}


Subscriptions

Ocaml Mirage-crypto-ec
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-09T13:10:11.317Z

Reserved: 2026-09-09T04:21:37.242Z

Link: CVE-2026-87737

cve-icon Vulnrichment

Updated: 2026-09-09T13:10:07.200Z

cve-icon NVD

Status : Deferred

Published: 2026-09-09T05:18:21.020

Modified: 2026-09-09T16:04:24.933

Link: CVE-2026-87737

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-13T20:02:29Z

Weaknesses
  • CWE-208

    Observable Timing Discrepancy