{"id":"CVE-2019-11577","aliases":["DEBIAN-CVE-2019-11577","EUVD-2019-3247","GHSA-2ppc-97gw-v7r8"],"status":"published","title":"dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA...","description":"dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.53095,"percentile":0.98987,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2019-04-28T15:22:10Z","modified":"2026-10-24T10:30:30Z","fixes":[{"ecosystem":"Debian:12","package":"dhcpcd5","fixed_in":["7.1.0-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"dhcpcd5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.1.0-2"}]}]}],"products":[{"vendor":"dhcpcd_project","product":"dhcpcd"}],"references":[{"url":"https://roy.marples.name/git/dhcpcd.git/commit/?id=8d11b33f6c60e2db257130fa383ba76b6018bcf6","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://roy.marples.name/archives/dhcpcd-discuss/0002415.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/108090","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11577"},{"url":"https://github.com/advisories/GHSA-2ppc-97gw-v7r8"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-11577","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2019-11577","description":"dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.","status":"published","published":"2019-04-28T15:22:10Z","modified":"2024-08-04T22:55:41.065Z","updated_at":"2026-11-02T14:20:26.034547Z"}],"euvd":[{"id":"EUVD-2019-3247","description":"dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.","status":"published","published":"2019-04-28T15:22:10Z","modified":"2024-08-04T22:55:41Z","updated_at":"2026-11-03T02:40:48.932719Z"}],"ghsa":[{"id":"GHSA-2ppc-97gw-v7r8","title":"dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA...","description":"dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.","status":"published","published":"2022-05-24T16:44:49Z","modified":"2024-04-04T00:15:28Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:55:49.472376Z"}],"nvd":[{"id":"CVE-2019-11577","description":"dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.","status":"published","published":"2019-04-28T16:29:00.233Z","modified":"2026-06-17T02:13:11.577Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:05:12.471695Z"}],"osv":[{"id":"CVE-2019-11577","description":"dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.","status":"published","published":"2019-04-28T16:29:00.233Z","modified":"2026-10-24T10:30:30.345924097Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:10.718934Z"},{"id":"DEBIAN-CVE-2019-11577","description":"dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.","status":"published","published":"2019-04-28T16:29:00.233Z","modified":"2026-09-21T07:00:23.379349015Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:31.170944Z"}]}}