medium6.2
CVE-2026-87733
An issue was discovered in the mirage-crypto-ec function before 2.2.0 for OCaml.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Mirage-Crypto-Ec Function | before 2.2.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.