CVE-2023-31470

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    CVE-2023-31470

    Published: 28 Apr 2023Last Modified: 12 Aug 2026

    Summary:

    Details: SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the _dns_encode_domain function in the dns.c file, via a crafted DNS request.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31470.json, https://nvd.nist.gov/vuln/detail/CVE-2023-31470, https://github.com/pymumu/smartdns/issues/1378, https://github.com/pymumu/smartdns/commit/56d0332bf91104cfc877635f6c82e9348587df04

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -56d0332bf91104cfc877635f6c82e9348587df04

    Affected versions

    Release41

    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
    CVE-2023-31470 | CVE-DB