{"id":"USN-7040-1","summary":"configobj vulnerability","details":"It was discovered that ConfigObj contains regex that is susceptible to\ncatastrophic backtracking. An attacker could possibly use this issue to\ncause a regular expression denial of service.\n","modified":"2026-02-10T04:45:27Z","published":"2024-09-26T16:19:18Z","related":["UBUNTU-CVE-2023-26112"],"upstream":["CVE-2023-26112","UBUNTU-CVE-2023-26112"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7040-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-26112"}],"affected":[{"package":{"name":"configobj","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/configobj@5.0.6-2ubuntu0.16.04.1~esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.6-2ubuntu0.16.04.1~esm1"}]}],"versions":["5.0.6-2"],"ecosystem_specific":{"binaries":[{"binary_name":"python-configobj","binary_version":"5.0.6-2ubuntu0.16.04.1~esm1"},{"binary_name":"python3-configobj","binary_version":"5.0.6-2ubuntu0.16.04.1~esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7040-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2023-26112","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"low"}]}]}}},{"package":{"name":"configobj","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/configobj@5.0.6-2ubuntu0.18.04.1~esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.6-2ubuntu0.18.04.1~esm1"}]}],"versions":["5.0.6-2"],"ecosystem_specific":{"binaries":[{"binary_name":"python-configobj","binary_version":"5.0.6-2ubuntu0.18.04.1~esm1"},{"binary_name":"python3-configobj","binary_version":"5.0.6-2ubuntu0.18.04.1~esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7040-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2023-26112","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"low"}]}]}}},{"package":{"name":"configobj","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/configobj@5.0.6-4ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.6-4ubuntu0.1"}]}],"versions":["5.0.6-3","5.0.6-3build1","5.0.6-4"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-configobj","binary_version":"5.0.6-4ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7040-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2023-26112","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"low"}]}]}}},{"package":{"name":"configobj","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/configobj@5.0.6-5ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.6-5ubuntu0.1"}]}],"versions":["5.0.6-4","5.0.6-5"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-configobj","binary_version":"5.0.6-5ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7040-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2023-26112","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"low"}]}]}}}],"schema_version":"1.7.3"}