CVE-2026-87736 Details
Description
An issue was discovered in the mirage-crypto-ec package before 2.3.0 for OCaml. There is an EC public key out-of-bounds read for compressed points.
A vulnerability exists in the mirage-crypto-ec package for OCaml, prior to version 2.3.0. The issue involves an out-of-bounds read when processing EC public keys for compressed points, due to a missing length check in the Point.of_octets function. This flaw affects all NIST curves (P-256, P-384, P-521) and arises in the Dsa.pub_of_octets and Dh.key_exchange functions.
Users can upgrade to mirage-crypto-ec version 2.3.0 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 9, 2026CISA-ADP
Assessed Sep 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://osv.dev/vulnerability/OSEC-2026-15 | [email protected] | AdvisoryRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| mirage-crypto-ec | < 2.3.0 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 14, 2026 | CVE Modified | CISA-ADP |
| Sep 9, 2026 | New CVE Received | [email protected] |