What is CVE-2026-87736?

CVE-2026-87736 is a medium-severity vulnerability in Ocaml Mirage-Crypto-Ec, classified under Out-of-bounds Read. CVSS score: 4.3/10. Published 2026-09-09.

How severe is CVE-2026-87736?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Out-of-bounds Read in Ocaml Mirage-Crypto-Ec

CVE-2026-87736

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.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Ocaml Mirage-crypto-ec

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

cve@mitre.org

Frequently asked questions

What is CVE-2026-87736?: CVE-2026-87736 is a medium-severity vulnerability in Ocaml Mirage-Crypto-Ec, classified under Out-of-bounds Read. CVSS score: 4.3/10. Published 2026-09-09.
How severe is CVE-2026-87736?: Medium severity. CVSS v3 base score is 4.3 out of 10.