{"schema_version":"1.7.3","id":"UBUNTU-CVE-2023-39323","published":"2023-10-05T21:15:00Z","modified":"2026-02-04T03:23:40.769552Z","related":["USN-6574-1","USN-7109-1","USN-7111-1"],"upstream":["CVE-2023-39323"],"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.","affected":[{"package":{"name":"golang-1.18","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/golang-1.18@1.18.1-1ubuntu1~16.04.6+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.1-1ubuntu1~16.04.6+esm1"}]}],"versions":["1.18.1-1ubuntu1~16.04.6"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"golang-1.18","binary_version":"1.18.1-1ubuntu1~16.04.6+esm1"},{"binary_name":"golang-1.18-go","binary_version":"1.18.1-1ubuntu1~16.04.6+esm1"},{"binary_name":"golang-1.18-src","binary_version":"1.18.1-1ubuntu1~16.04.6+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39323.json"}},{"package":{"name":"golang-1.18","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/golang-1.18@1.18.1-1ubuntu1~18.04.4+esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.1-1ubuntu1~18.04.4+esm1"}]}],"versions":["1.18.1-1ubuntu1~18.04.3","1.18.1-1ubuntu1~18.04.4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"golang-1.18","binary_version":"1.18.1-1ubuntu1~18.04.4+esm1"},{"binary_name":"golang-1.18-go","binary_version":"1.18.1-1ubuntu1~18.04.4+esm1"},{"binary_name":"golang-1.18-src","binary_version":"1.18.1-1ubuntu1~18.04.4+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39323.json"}},{"package":{"name":"golang-1.18","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/golang-1.18@1.18.1-1ubuntu1~20.04.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.1-1ubuntu1~20.04.3"}]}],"versions":["1.18.1-1ubuntu1~20.04.1","1.18.1-1ubuntu1~20.04.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"golang-1.18","binary_version":"1.18.1-1ubuntu1~20.04.3"},{"binary_name":"golang-1.18-go","binary_version":"1.18.1-1ubuntu1~20.04.3"},{"binary_name":"golang-1.18-src","binary_version":"1.18.1-1ubuntu1~20.04.3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39323.json"}},{"package":{"name":"golang-1.20","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/golang-1.20@1.20.3-1ubuntu0.1~20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.3-1ubuntu0.1~20.04.1"}]}],"versions":["1.20.3-1ubuntu0.1~20.04"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"golang-1.20","binary_version":"1.20.3-1ubuntu0.1~20.04.1"},{"binary_name":"golang-1.20-go","binary_version":"1.20.3-1ubuntu0.1~20.04.1"},{"binary_name":"golang-1.20-src","binary_version":"1.20.3-1ubuntu0.1~20.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39323.json"}},{"package":{"name":"golang-1.21","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/golang-1.21@1.21.1-1~ubuntu20.04.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21.1-1~ubuntu20.04.2"}]}],"versions":["1.21.1-1~ubuntu20.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"golang-1.21","binary_version":"1.21.1-1~ubuntu20.04.2"},{"binary_name":"golang-1.21-go","binary_version":"1.21.1-1~ubuntu20.04.2"},{"binary_name":"golang-1.21-src","binary_version":"1.21.1-1~ubuntu20.04.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39323.json"}},{"package":{"name":"golang-1.17","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/golang-1.17@1.17.13-3ubuntu1.3?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17.13-3ubuntu1.3"}]}],"versions":["1.17-1ubuntu2","1.17.3-1ubuntu1","1.17.3-1ubuntu2","1.17.13-3ubuntu1","1.17.13-3ubuntu1.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"golang-1.17","binary_version":"1.17.13-3ubuntu1.3"},{"binary_name":"golang-1.17-go","binary_version":"1.17.13-3ubuntu1.3"},{"binary_name":"golang-1.17-src","binary_version":"1.17.13-3ubuntu1.3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39323.json"}},{"package":{"name":"golang-1.18","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/golang-1.18@1.18.1-1ubuntu1.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.1-1ubuntu1.2"}]}],"versions":["1.18~beta1-0ubuntu1","1.18~beta2-1ubuntu1","1.18~beta2-1ubuntu2","1.18~rc1-1ubuntu1","1.18-1ubuntu1","1.18.1-1ubuntu1","1.18.1-1ubuntu1.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"golang-1.18","binary_version":"1.18.1-1ubuntu1.2"},{"binary_name":"golang-1.18-go","binary_version":"1.18.1-1ubuntu1.2"},{"binary_name":"golang-1.18-src","binary_version":"1.18.1-1ubuntu1.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39323.json"}},{"package":{"name":"golang-1.20","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/golang-1.20@1.20.3-1ubuntu0.1~22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.3-1ubuntu0.1~22.04.1"}]}],"versions":["1.20.3-1ubuntu0.1~22.04"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"golang-1.20","binary_version":"1.20.3-1ubuntu0.1~22.04.1"},{"binary_name":"golang-1.20-go","binary_version":"1.20.3-1ubuntu0.1~22.04.1"},{"binary_name":"golang-1.20-src","binary_version":"1.20.3-1ubuntu0.1~22.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39323.json"}},{"package":{"name":"golang-1.21","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/golang-1.21@1.21.1-1~ubuntu22.04.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21.1-1~ubuntu22.04.2"}]}],"versions":["1.21.1-1~ubuntu22.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"golang-1.21","binary_version":"1.21.1-1~ubuntu22.04.2"},{"binary_name":"golang-1.21-go","binary_version":"1.21.1-1~ubuntu22.04.2"},{"binary_name":"golang-1.21-src","binary_version":"1.21.1-1~ubuntu22.04.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39323.json"}}],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39323"},{"type":"REPORT","url":"https://go.dev/issue/63211"},{"type":"REPORT","url":"https://go.dev/cl/533215"},{"type":"REPORT","url":"https://groups.google.com/g/golang-announce/c/XBa1oHDevAo"},{"type":"REPORT","url":"https://pkg.go.dev/vuln/GO-2023-2095"},{"type":"REPORT","url":"https://github.com/golang/go/commit/2ddfc04d12da7028334ab4f8effbc3a78b92d9d2"},{"type":"REPORT","url":"https://github.com/golang/go/commit/31d5b604ac0adb58aec4870ac1b974c08312fd49"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6574-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-39323"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7109-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7111-1"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}