{"id":"UBUNTU-CVE-2023-2789","details":"A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects the function func_body/parse_variable_declaration of the file parser.c. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. The identifier VDB-229373 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","modified":"2026-05-20T16:07:36.098857073Z","published":"2023-05-18T13:15:00Z","upstream":["CVE-2023-2789"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-2789"},{"type":"REPORT","url":"https://github.com/DaisyPo/fuzzing-vulncollect/files/11343936/poc-file.zip"},{"type":"REPORT","url":"https://github.com/DaisyPo/fuzzing-vulncollect/blob/main/cflow/stack-overflow/parser.c/README.md"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-2789"}],"affected":[{"package":{"name":"cflow","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/cflow?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.4+dfsg1-3ubuntu1","1:1.4+dfsg1-3ubuntu1.16.04.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.4+dfsg1-3ubuntu1.16.04.1~esm1","binary_name":"cflow"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-2789.json"}},{"package":{"name":"cflow","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/cflow?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.4+dfsg1-3ubuntu1","1:1.4+dfsg1-3ubuntu1.18.04.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.4+dfsg1-3ubuntu1.18.04.1~esm1","binary_name":"cflow"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-2789.json"}},{"package":{"name":"cflow","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/cflow?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.6-4"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.6-4","binary_name":"cflow"},{"binary_version":"1:1.6-4","binary_name":"cflow-l10n"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-2789.json"}},{"package":{"name":"cflow","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/cflow?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.6-4","1:1.6-6","1:1.7-2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.7-2","binary_name":"cflow"},{"binary_version":"1:1.7-2","binary_name":"cflow-l10n"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-2789.json"}},{"package":{"name":"cflow","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/cflow?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.7-4","1:1.7-5"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.7-5","binary_name":"cflow"},{"binary_name":"cflow-l10n","binary_version":"1:1.7-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-2789.json"}},{"package":{"name":"cflow","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/cflow?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.7-5","1:1.8-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.8-1","binary_name":"cflow"},{"binary_name":"cflow-l10n","binary_version":"1:1.8-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-2789.json"}},{"package":{"name":"cflow","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/cflow?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.8-1","1:1.8-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.8-1build1","binary_name":"cflow"},{"binary_version":"1:1.8-1build1","binary_name":"cflow-l10n"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-2789.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}