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6.2 Medium

CVE-2026-87733 An issue was discovered in the mirage-crypto-ec function before 2.2.0 for OCaml

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 and versions

Product Affected versions Fixed in
mirage-crypto-ec 2.2 earliest → < 2.2.0 2.2.0

Other CVEs of mirage-crypto-ec

The 3 CVEs of mirage-crypto-ec →
CVE-2026-87737 An issue was discovered in the mirage-crypto-ec package before 2.4.0 for OCaml 5.9 Medium CVE-2026-87736 An issue was discovered in the mirage-crypto-ec package before 2.3.0 for OCaml 4.3 Medium
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