DEBIAN-CVE-2026-87733

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    DEBIAN-CVE-2026-87733

    Published: 9 Sept 2026Last Modified: 10 Sept 2026
    Upstream:
    CVE-2026-87733

    Summary:

    Details: 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.

    References: https://security-tracker.debian.org/tracker/CVE-2026-87733

    Affected packages

    Package

    Name: ocaml-mirage-crypto

    Purl: pkg:deb/debian/ocaml-mirage-crypto?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    0.10.7-1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High