{"id":"CVE-2019-16165","aliases":["DEBIAN-CVE-2019-16165","EUVD-2019-6985","GHSA-cw7j-m6w2-86v9","UBUNTU-CVE-2019-16165","USN-5375-1","openSUSE-SU-2024:11709-1"],"status":"published","title":"GNU cflow through 1.6 has a use-after-free in the reference function in parser.c.","description":"GNU cflow through 1.6 has a use-after-free in the reference function in parser.c.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01147,"percentile":0.67016,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2019-09-09T15:37:49Z","modified":"2026-09-21T07:00:59Z","fixes":[{"ecosystem":"Debian:12","package":"cflow","fixed_in":["1:1.6-6"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"cflow","fixed_in":["1:1.6-6"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"cflow","fixed_in":["1:1.6-6"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"cflow","fixed_in":["1:1.4+dfsg1-3ubuntu1.16.04.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"cflow","fixed_in":["1:1.4+dfsg1-3ubuntu1.18.04.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.6-6"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.6-6"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.6-6"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4+dfsg1-3ubuntu1.16.04.1~esm1"}]}],"versions":["1:1.4+dfsg1-3ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4+dfsg1-3ubuntu1.18.04.1~esm1"}]}],"versions":["1:1.4+dfsg1-3ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.6-4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4+dfsg1-3ubuntu1.16.04.1~esm1"}]}],"versions":["1:1.4+dfsg1-3ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4+dfsg1-3ubuntu1.18.04.1~esm1"}]}],"versions":["1:1.4+dfsg1-3ubuntu1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"cflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7-1.1"}]}],"bundled":2}],"products":[{"vendor":"gnu","product":"cflow"}],"references":[{"url":"https://lists.gnu.org/archive/html/bug-cflow/2019-04/msg00001.html","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16165"},{"url":"https://github.com/advisories/GHSA-cw7j-m6w2-86v9"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-16165","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-16165","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-5375-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-16165","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2019-16165","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-16166","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2019-16165","description":"GNU cflow through 1.6 has a use-after-free in the reference function in parser.c.","status":"published","published":"2019-09-09T15:37:49Z","modified":"2024-08-05T01:10:41.621Z","updated_at":"2026-11-02T14:32:23.189113Z"}],"euvd":[{"id":"EUVD-2019-6985","description":"GNU cflow through 1.6 has a use-after-free in the reference function in parser.c.","status":"published","published":"2019-09-09T15:37:49Z","modified":"2024-08-05T01:10:41Z","updated_at":"2026-11-03T02:40:33.71788Z"}],"ghsa":[{"id":"GHSA-cw7j-m6w2-86v9","title":"GNU cflow through 1.6 has a use-after-free in the reference function in parser.c.","description":"GNU cflow through 1.6 has a use-after-free in the reference function in parser.c.","status":"published","published":"2022-05-24T16:55:43Z","modified":"2024-04-04T01:54:12Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:56:03.89673Z"}],"nvd":[{"id":"CVE-2019-16165","description":"GNU cflow through 1.6 has a use-after-free in the reference function in parser.c.","status":"published","published":"2019-09-09T17:15:13.643Z","modified":"2026-06-17T02:21:48.323Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:05:25.691233Z"}],"osv":[{"id":"CVE-2019-16165","description":"GNU cflow through 1.6 has a use-after-free in the reference function in parser.c.","status":"published","published":"2019-09-09T17:15:13.643Z","modified":"2026-03-14T09:33:04.742374Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:11.361782Z"},{"id":"DEBIAN-CVE-2019-16165","description":"GNU cflow through 1.6 has a use-after-free in the reference function in parser.c.","status":"published","published":"2019-09-09T17:15:13.643Z","modified":"2026-09-21T07:00:59.972181087Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:31.867036Z"},{"id":"UBUNTU-CVE-2019-16165","description":"GNU cflow through 1.6 has a use-after-free in the reference function in parser.c.","status":"published","published":"2019-09-09T17:15:00Z","modified":"2026-02-04T03:10:39.848551Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:20.325378Z"},{"id":"openSUSE-SU-2024:11709-1","title":"cflow-1.7-1.1 on GA media","description":"These are all security issues fixed in the cflow-1.7-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:24:18.966539Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"USN-5375-1","title":"cflow vulnerability","description":"It was discovered that GNU cflow was incorrectly handling memory cleanup\noperations at the end of a compilation module. An attacker could possibly\nuse this issue to cause a denial of service or execute arbitrary code.\n","status":"published","published":"2022-04-12T12:19:46Z","modified":"2026-06-25T13:31:07.961366799Z","updated_at":"2026-11-02T16:58:15.683829Z"}]}}