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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
OCaml mirage-crypto-ec unaffected
Version Status Constraints
0 affected < 2.4.0

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://osv.dev/vulnerability/OSEC-2026-17 cve-icon cve-icon
History

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-09T04:21:37.602Z

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

Link: CVE-2026-87737

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

Modified: 2026-09-09T05:18:21.020

Link: CVE-2026-87737

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses