{"id":"CVE-2012-6700","aliases":["DEBIAN-CVE-2012-6700","DLA-362-1","DSA-3534-1","EUVD-2012-6542","GHSA-ffg7-8xw7-7h88","SUSE-SU-2015:2174-1"],"status":"published","title":"The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which...","description":"The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which allows remote DHCP servers to cause a denial of service via a crafted response.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01967,"percentile":0.80514,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2015-12-07T14:12:36Z","modified":"2026-10-23T18:02:55Z","fixes":[{"ecosystem":"Debian:13","package":"dhcpcd","fixed_in":["1:10.0.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"dhcpcd","fixed_in":["1:10.0.1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"dhcpcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:10.0.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"dhcpcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:10.0.1-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"dhcpcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.2.3-5+squeeze2"}]}],"versions":["1:3.2.3-5","1:3.2.3-5+squeeze1"],"bundled":2},{"source":"osv","ecosystem":"Debian:7","package":"dhcpcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.2.3-11+deb7u1"}]}],"versions":["1:3.2.3-11"],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 11 SP3","package":"dhcpcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3-45.5.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 11 SP4","package":"dhcpcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3-45.5.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP2-LTSS","package":"dhcpcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3-45.5.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP3","package":"dhcpcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3-45.5.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP3-TERADATA","package":"dhcpcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3-45.5.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 11 SP3","package":"dhcpcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3-45.5.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP4","package":"dhcpcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3-45.5.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 11 SP4","package":"dhcpcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3-45.5.3"}]}],"bundled":3}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"dhcpcd_project","product":"dhcpcd"}],"references":[{"url":"https://bugs.launchpad.net/ubuntu/+source/dhcpcd/+bug/1517226","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2015/12/02/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://launchpadlibrarian.net/228152582/dhcp.c.patch","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.debian.org/security/2016/dsa-3534","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2015/12/03/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-6700"},{"url":"https://github.com/advisories/GHSA-ffg7-8xw7-7h88"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-6700","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2015/suse-su-20152174-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/955762","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2012-6698","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-6699","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-6700","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2012-6700","description":"The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which allows remote DHCP servers to cause a denial of service via a crafted response.","status":"published","published":"2016-04-11T15:00:00Z","modified":"2024-08-06T21:36:02.25Z","updated_at":"2026-11-02T14:34:50.94153Z"}],"euvd":[{"id":"EUVD-2012-6542","description":"The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which allows remote DHCP servers to cause a denial of service via a crafted response.","status":"published","published":"2016-04-11T15:00:00Z","modified":"2024-08-06T21:36:02Z","updated_at":"2026-11-03T01:56:01.964017Z"}],"ghsa":[{"id":"GHSA-ffg7-8xw7-7h88","title":"The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which...","description":"The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which allows remote DHCP servers to cause a denial of service via a crafted response.","status":"published","published":"2022-05-17T03:57:19Z","modified":"2023-01-28T05:00:47Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:43:24.927661Z"}],"nvd":[{"id":"CVE-2012-6700","description":"The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which allows remote DHCP servers to cause a denial of service via a crafted response.","status":"published","published":"2016-04-11T15:59:02.22Z","modified":"2026-06-16T23:48:37.733Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:17.748457Z"}],"osv":[{"id":"CVE-2012-6700","description":"The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which allows remote DHCP servers to cause a denial of service via a crafted response.","status":"published","published":"2016-04-11T15:59:02Z","modified":"2026-04-10T03:42:37.374449Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2012-6700","description":"The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which allows remote DHCP servers to cause a denial of service via a crafted response.","status":"published","published":"2016-04-11T15:59:02.22Z","modified":"2026-10-23T18:02:55.498833128Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"DLA-362-1","title":"dhcpcd - security update","status":"published","published":"2015-12-08T00:00:00Z","modified":"2026-03-09T01:21:34.942264Z","updated_at":"2026-11-02T15:46:12.203458Z"},{"id":"DSA-3534-1","title":"dhcpcd - security update","status":"published","published":"2016-03-29T00:00:00Z","modified":"2026-03-09T01:19:07.741107Z","updated_at":"2026-11-02T15:46:16.199525Z"},{"id":"SUSE-SU-2015:2174-1","title":"Security update for dhcpcd","description":"dhcpcd was updated to fix three security issues.\n\nThese security issues were fixed:\n- CVE-2012-6698: A potential out of bounds write was fixed, which could lead to memory corruption, triggerable by network local attackers.\n- CVE-2012-6699: A loop error was fixed that could lead out of bound reads, triggerable by network local attackers.\n- CVE-2012-6700: An incorrect free could lead to crashes, triggerable by network local attackers.\n  ","status":"published","published":"2015-12-07T14:12:36Z","modified":"2026-02-04T04:22:15.057191Z","updated_at":"2026-11-02T15:53:43.030986Z"}]}}