CLEANSTART-2026-YK18302

    Dashboard / Vulnerabilities / CLEANSTART-2026-YK18302

    CLEANSTART-2026-YK18302

    Published: 31 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2020-12401

    Summary: During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data

    Details: CVE-2020-12401 affects multiple packages. During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. See references for individual vulnerability details.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-YK18302.json, https://osv.dev/vulnerability/CVE-2020-12401, https://nvd.nist.gov/vuln/detail/CVE-2020-12401

    Affected packages

    Package

    Name: nss

    Purl: pkg:apk/cleanstart/nss

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.55-r0

    Affected versions

    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
    CLEANSTART-2026-YK18302 | CVE-DB