UBUNTU-CVE-2023-39323

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    UBUNTU-CVE-2023-39323

    Published: 5 Oct 2023Last Modified: 4 Feb 2026
    Upstream:
    CVE-2023-39323

    Summary:

    Details: Line directives ("//line") can be used to bypass the restrictions on "//go:cgo_" directives, allowing blocked linker and compiler flags to be passed during compilation. This can result in unexpected execution of arbitrary code when running "go build". The line directive requires the absolute path of the file in which the directive lives, which makes exploiting this issue significantly more complex.

    References: https://ubuntu.com/security/CVE-2023-39323, https://go.dev/issue/63211, https://go.dev/cl/533215, https://groups.google.com/g/golang-announce/c/XBa1oHDevAo, https://pkg.go.dev/vuln/GO-2023-2095, https://github.com/golang/go/commit/2ddfc04d12da7028334ab4f8effbc3a78b92d9d2, https://github.com/golang/go/commit/31d5b604ac0adb58aec4870ac1b974c08312fd49, https://ubuntu.com/security/notices/USN-6574-1, https://www.cve.org/CVERecord?id=CVE-2023-39323, https://ubuntu.com/security/notices/USN-7109-1, https://ubuntu.com/security/notices/USN-7111-1

    Affected packages

    Package

    Name: golang-1.18

    Purl: pkg:deb/ubuntu/[email protected]~16.04.6+esm1?arch=source&distro=esm-apps/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.18.1-1ubuntu1~16.04.6+esm1

    Affected versions

    1.18.1-1ubuntu1~16.04.6

    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
    UBUNTU-CVE-2023-39323 | CVE-DB