{"id":"CVE-2019-11579","aliases":["DEBIAN-CVE-2019-11579","DLA-1793-1","EUVD-2019-3249","GHSA-2gjm-hvmq-383v","UBUNTU-CVE-2019-11579"],"status":"published","title":"dhcp.c in dhcpcd before 7.2.1 contains a 1-byte read overflow with DHO_OPTSOVERLOADED.","description":"dhcp.c in dhcpcd before 7.2.1 contains a 1-byte read overflow with DHO_OPTSOVERLOADED.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01414,"percentile":0.7292,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119","CWE-125"],"published":"2019-04-28T15:22:37Z","modified":"2026-10-24T10:30:59Z","fixes":[{"ecosystem":"Debian:12","package":"dhcpcd5","fixed_in":["7.1.0-2"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"dhcpcd5","fixed_in":["6.0.5-2+deb8u1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"dhcpcd5","fixed_in":["6.0.5-2+deb8u1build0.14.04.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"dhcpcd5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.1.0-2"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"dhcpcd5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.5-2+deb8u1"}]}],"versions":["6.0.5-2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"dhcpcd5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.5-2+deb8u1build0.14.04.1~esm1"}]}],"versions":["5.5.6-1","6.0.5-1ubuntu1","6.0.5-1.1","6.0.5-2build0.14.04.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"dhcpcd5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.9.1-1","6.9.3-1","6.10.1-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"dhcpcd5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.11.5-0ubuntu1"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"dhcpcd_project","product":"dhcpcd"}],"references":[{"url":"https://roy.marples.name/archives/dhcpcd-discuss/0002415.html","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","report"]},{"url":"https://roy.marples.name/git/dhcpcd.git/commit/?id=4b67f6f1038fd4ad5ca7734eaaeba1b2ec4816b8","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"http://www.securityfocus.com/bid/108090","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2019/05/msg00024.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11579"},{"url":"https://github.com/advisories/GHSA-2gjm-hvmq-383v"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-11579","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-11579","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-11579","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-11579","description":"dhcp.c in dhcpcd before 7.2.1 contains a 1-byte read overflow with DHO_OPTSOVERLOADED.","status":"published","published":"2019-04-28T15:22:37Z","modified":"2024-08-04T22:55:40.906Z","updated_at":"2026-11-02T14:32:22.432545Z"}],"euvd":[{"id":"EUVD-2019-3249","description":"dhcp.c in dhcpcd before 7.2.1 contains a 1-byte read overflow with DHO_OPTSOVERLOADED.","status":"published","published":"2019-04-28T15:22:37Z","modified":"2024-08-04T22:55:40Z","updated_at":"2026-11-03T02:40:48.932719Z"}],"ghsa":[{"id":"GHSA-2gjm-hvmq-383v","title":"dhcp.c in dhcpcd before 7.2.1 contains a 1-byte read overflow with DHO_OPTSOVERLOADED.","description":"dhcp.c in dhcpcd before 7.2.1 contains a 1-byte read overflow with 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DHO_OPTSOVERLOADED.","status":"published","published":"2019-04-28T16:29:00Z","modified":"2025-10-24T04:47:38Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:19.202697Z"},{"id":"DLA-1793-1","title":"dhcpcd5 - security update","status":"published","published":"2019-05-19T00:00:00Z","modified":"2026-03-09T01:18:47.507751Z","updated_at":"2026-11-02T15:46:09.777694Z"}]}}