{"id":"CVE-2016-6831","aliases":["DEBIAN-CVE-2016-6831","DLA-643-1","EUVD-2016-7716","GHSA-x279-7m5p-wjmv","UBUNTU-CVE-2016-6831"],"status":"published","title":"The \"process-execute\" and \"process-spawn\" procedures did not free memory correctly when the...","description":"The \"process-execute\" and \"process-spawn\" procedures did not free memory correctly when the execve() call failed, resulting in a memory leak. This could be abused by an attacker to cause resource exhaustion or a denial of service. This affects all releases of CHICKEN up to and including 4.11 (it will be fixed in 4.12 and 5.0, which are not yet released).","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":0.01765,"percentile":0.78205,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2016-09-30T00:00:00Z","modified":"2026-09-22T07:00:34Z","fixes":[{"ecosystem":"Debian:12","package":"chicken","fixed_in":["4.12.0-0.2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"chicken","fixed_in":["4.12.0-0.2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"chicken","fixed_in":["4.12.0-0.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"chicken","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.0-0.2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"chicken","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.0-0.2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"chicken","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.0-0.2"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"chicken","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.0-1+deb7u1"}]}],"versions":["4.7.0-1"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"chicken","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.9.0.1-1"]}],"products":[{"vendor":"call-cc","product":"chicken"}],"references":[{"url":"http://www.securityfocus.com/bid/92550","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://lists.nongnu.org/archive/html/chicken-announce/2016-08/msg00001.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6831"},{"url":"https://github.com/advisories/GHSA-x279-7m5p-wjmv"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-6831","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-6831","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2016/08/18/2","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-6831","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-6831","description":"The \"process-execute\" and \"process-spawn\" procedures did not free memory correctly when the execve() call failed, resulting in a memory leak. This could be abused by an attacker to cause resource exhaustion or a denial of service. This affects all releases of CHICKEN up to and including 4.11 (it will be fixed in 4.12 and 5.0, which are not yet released).","status":"published","published":"2017-01-10T15:00:00Z","modified":"2024-08-06T01:43:37.979Z","updated_at":"2026-11-02T14:33:34.443637Z"}],"euvd":[{"id":"EUVD-2016-7716","description":"The \"process-execute\" and \"process-spawn\" procedures did not free memory correctly when the execve() call failed, resulting in a memory leak. This could be abused by an attacker to cause resource exhaustion or a denial of service. This affects all releases of CHICKEN up to and including 4.11 (it will be fixed in 4.12 and 5.0, which are not yet released).","status":"published","published":"2017-01-10T15:00:00Z","modified":"2024-08-06T01:43:37Z","updated_at":"2026-11-03T02:22:35.505212Z"}],"ghsa":[{"id":"GHSA-x279-7m5p-wjmv","title":"The \"process-execute\" and \"process-spawn\" procedures did not free memory correctly when the...","description":"The \"process-execute\" and \"process-spawn\" procedures did not free memory correctly when the execve() call failed, resulting in a memory leak. This could be abused by an attacker to cause resource exhaustion or a denial of service. This affects all releases of CHICKEN up to and including 4.11 (it will be fixed in 4.12 and 5.0, which are not yet released).","status":"published","published":"2022-05-17T03:05:24Z","modified":"2023-01-27T05:06:55Z","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-400"],"updated_at":"2026-11-02T14:43:00.840976Z"}],"nvd":[{"id":"CVE-2016-6831","description":"The \"process-execute\" and \"process-spawn\" procedures did not free memory correctly when the execve() call failed, resulting in a memory leak. This could be abused by an attacker to cause resource exhaustion or a denial of service. This affects all releases of CHICKEN up to and including 4.11 (it will be fixed in 4.12 and 5.0, which are not yet released).","status":"published","published":"2017-01-10T15:59:00.47Z","modified":"2026-06-17T00:51:51.23Z","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-400"],"updated_at":"2026-11-02T14:03:33.686843Z"}],"osv":[{"id":"CVE-2016-6831","description":"The \"process-execute\" and \"process-spawn\" procedures did not free memory correctly when the execve() call failed, resulting in a memory leak. This could be abused by an attacker to cause resource exhaustion or a denial of service. This affects all releases of CHICKEN up to and including 4.11 (it will be fixed in 4.12 and 5.0, which are not yet released).","status":"published","published":"2017-01-10T15:59:00.47Z","modified":"2026-03-14T09:20:27.508075Z","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":"2026-11-02T15:44:02.776224Z"},{"id":"DEBIAN-CVE-2016-6831","description":"The \"process-execute\" and \"process-spawn\" procedures did not free memory correctly when the execve() call failed, resulting in a memory leak. This could be abused by an attacker to cause resource exhaustion or a denial of service. This affects all releases of CHICKEN up to and including 4.11 (it will be fixed in 4.12 and 5.0, which are not yet released).","status":"published","published":"2017-01-10T15:59:00.47Z","modified":"2026-09-22T07:00:34.589813661Z","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":"2026-11-02T15:45:27.910042Z"},{"id":"UBUNTU-CVE-2016-6831","description":"The \"process-execute\" and \"process-spawn\" procedures did not free memory correctly when the execve() call failed, resulting in a memory leak. This could be abused by an attacker to cause resource exhaustion or a denial of service. This affects all releases of CHICKEN up to and including 4.11 (it will be fixed in 4.12 and 5.0, which are not yet released).","status":"published","published":"2017-01-10T15:59:00Z","modified":"2026-04-22T10:54:46.227412Z","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":"2026-11-02T15:54:12.642042Z"},{"id":"DLA-643-1","title":"chicken - security update","status":"published","published":"2016-09-30T00:00:00Z","modified":"2026-03-09T02:09:20.75604Z","updated_at":"2026-11-02T15:46:13.207219Z"}]}}