PT-2026-88812 · Ocaml+1 · Mirage-Crypto-Ec
CVE-2026-87733
·
Published
2026-07-27
·
Updated
2026-09-09
CVSS v3.1
6.2
Medium
| Vector | AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
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.
Exploit
Fix
Improper Certificate Validation
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Weakness Enumeration
Related Identifiers
Affected Products
Mirage-Crypto-Ec