CLEANSTART-2026-ZZ76730

    Dashboard / Vulnerabilities / CLEANSTART-2026-ZZ76730

    CLEANSTART-2026-ZZ76730

    Published: 31 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2026-39821

    Summary: ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label

    Details: CVE-2026-39821 affects multiple packages. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. See references for individual vulnerability details.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-ZZ76730.json, https://osv.dev/vulnerability/CVE-2026-39821, https://nvd.nist.gov/vuln/detail/CVE-2026-39821

    Affected packages

    Package

    Name: external-dns-fips

    Purl: pkg:apk/cleanstart/external-dns-fips

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.22.0-r4

    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-ZZ76730 | CVE-DB