{"id":"CVE-2023-2789","aliases":["DEBIAN-CVE-2023-2789","EUVD-2023-34245","GHSA-h6vj-vg8j-jfqp","UBUNTU-CVE-2023-2789"],"status":"published","title":"GNU cflow parser.c parse_variable_declaration denial of service","description":"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.","severity":{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01234,"percentile":0.69242,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-404"],"published":"2023-05-18T12:31:03Z","modified":"2026-10-26T18:01:46Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.7-4","1:1.7-5","1:1.8-1"]},{"source":"osv","ecosystem":"Debian:13","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.7-5","1:1.8-1"]},{"source":"osv","ecosystem":"Debian:14","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.7-5","1:1.8-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.4+dfsg1-3ubuntu1","1:1.4+dfsg1-3ubuntu1.16.04.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.4+dfsg1-3ubuntu1","1:1.4+dfsg1-3ubuntu1.18.04.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.6-4"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.6-4","1:1.6-6","1:1.7-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.7-4","1:1.7-5"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.7-5","1:1.8-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.8-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.8-1","1:1.8-1build1"]}],"products":[{"vendor":"gnu","product":"cflow"}],"references":[{"url":"https://vuldb.com/?id.229373","tags":["vdb-entry","technical-description","x_transferred","Permissions Required","Third Party Advisory","report"]},{"url":"https://vuldb.com/?ctiid.229373","tags":["signature","permissions-required","x_transferred","Permissions Required","Third Party Advisory","report"]},{"url":"https://github.com/DaisyPo/fuzzing-vulncollect/blob/main/cflow/stack-overflow/parser.c/README.md","tags":["related","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://github.com/DaisyPo/fuzzing-vulncollect/files/11343936/poc-file.zip","tags":["exploit","x_transferred","Exploit","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2789"},{"url":"https://github.com/advisories/GHSA-h6vj-vg8j-jfqp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-2789","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-2789","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-2789","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-2789","title":"GNU cflow parser.c parse_variable_declaration denial of service","description":"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.","status":"published","published":"2023-05-18T12:31:03.47Z","modified":"2024-08-02T06:33:05.607Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"},{"version":"3.0","score":3.5,"vector":"CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"},{"version":"2.0","score":2.7,"vector":"AV:A/AC:L/Au:S/C:N/I:N/A:P","assessor":"cna"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:35:23.645864Z"}],"euvd":[{"id":"EUVD-2023-34245","description":"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.","status":"published","published":"2023-05-18T12:31:03Z","modified":"2024-08-02T06:33:05Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-03T03:50:14.098658Z"}],"ghsa":[{"id":"GHSA-h6vj-vg8j-jfqp","title":"A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects...","description":"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.","status":"published","published":"2023-05-18T15:30:17Z","modified":"2023-11-08T05:06:11Z","cvss":[{"version":"3.0","score":3.5,"vector":"CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:54:55.009139Z"}],"nvd":[{"id":"CVE-2023-2789","description":"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.","status":"published","published":"2023-05-18T13:15:09.507Z","modified":"2026-06-17T05:53:26.71Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":2.7,"vector":"AV:A/AC:L/Au:S/C:N/I:N/A:P","level":"low","assessor":"secondary"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:08:03.200773Z"}],"osv":[{"id":"CVE-2023-2789","description":"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.","status":"published","published":"2023-05-18T13:15:09.507Z","modified":"2026-03-15T14:49:41.124401Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:31.135751Z"},{"id":"DEBIAN-CVE-2023-2789","description":"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.","status":"published","published":"2023-05-18T13:15:09.507Z","modified":"2026-10-26T18:01:46.857044921Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:39.679062Z"},{"id":"UBUNTU-CVE-2023-2789","description":"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.","status":"published","published":"2023-05-18T13:15:00Z","modified":"2026-10-17T12:57:16.957522312Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:20.198616Z"}]}}