CVE-2026-87733

Published: Sep 9, 2026Modified: Sep 9, 2026Deferred

6.2

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitability: 2.5 / Impact: 3.6

Source: MITRE (Secondary)

Description

An issue was discovered in the mirage-crypto-ec function before 2.2.0 for OCaml. The ECDSA functions {P256,P384,P521}.Dsa.pub_of_octets accept 0x00, the encoding of the point at infinity, as a public key. With that public key, signatures can be forged without a private key.

Related CWEs

CWE-295

Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

References (2)

https://osv.dev/vulnerability/OSEC-2026-13

Source: cve@mitre.org

https://osv.dev/vulnerability/OSEC-2026-13

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Timeline

No history available yet.