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CVE PROGRAM SOURCE RECORD6.2 Medium

CVE-2026-87733

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 in

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Status
Published
Published
Updated
Assigning organization
mitre

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

OCaml mirage-crypto-ec

Default version status: unaffected

  • 0 to < 2.2.0affected
pkg:opam/mirage-crypto-ec

References