{"id":"CVE-2016-5417","aliases":["DEBIAN-CVE-2016-5417","EUVD-2016-6362","GHSA-qqpx-rhfx-8mgf","MGASA-2017-0091","UBUNTU-CVE-2016-5417","USN-3239-1","openSUSE-SU-2024:10154-1"],"status":"published","title":"Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in...","description":"Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.","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":"2026-11-09","score":0.03361,"percentile":0.8881,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2017-02-16T00:00:00Z","modified":"2026-10-24T10:30:15Z","fixes":[{"ecosystem":"Debian:12","package":"glibc","fixed_in":["2.22-4"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"glibc","fixed_in":["2.22-4"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"glibc","fixed_in":["2.22-4"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"glibc","fixed_in":["2.23-0ubuntu6"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-4"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-4"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-4"}]}]},{"source":"osv","ecosystem":"Mageia:5","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20-24.mga5"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu6"}]}],"versions":["2.21-0ubuntu4","2.21-0ubuntu5","2.21-0ubuntu6","2.23-0ubuntu1","2.23-0ubuntu2","2.23-0ubuntu3","2.23-0ubuntu4","2.23-0ubuntu5"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"eglibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-0ubuntu6.10"}]}],"versions":["2.17-93ubuntu4","2.18-0ubuntu1","2.18-0ubuntu2","2.18-0ubuntu4","2.18-0ubuntu5","2.18-0ubuntu6","2.18-0ubuntu7","2.19-0ubuntu2","2.19-0ubuntu3","2.19-0ubuntu4","2.19-0ubuntu5","2.19-0ubuntu6","2.19-0ubuntu6.1","2.19-0ubuntu6.3","2.19-0ubuntu6.4","2.19-0ubuntu6.5","2.19-0ubuntu6.6","2.19-0ubuntu6.7","2.19-0ubuntu6.8","2.19-0ubuntu6.9"],"bundled":9},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu6"}]}],"versions":["2.21-0ubuntu4","2.21-0ubuntu5","2.21-0ubuntu6","2.23-0ubuntu1","2.23-0ubuntu2","2.23-0ubuntu3","2.23-0ubuntu4","2.23-0ubuntu5"],"bundled":9},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.24-2.3"}]}],"bundled":31}],"products":[{"vendor":"gnu","product":"glibc"}],"references":[{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=19257","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","VDB Entry","fix","report"]},{"url":"http://www.securityfocus.com/bid/92257","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2016/08/02/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","report"]},{"url":"https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Release Notes","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-5417"},{"url":"https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=2212c1420c92a33b0e0bd9a34938c9814a56c0f7"},{"url":"https://github.com/advisories/GHSA-qqpx-rhfx-8mgf"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-5417","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2017-0091.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=20552","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-5417","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3239-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-5417","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-5180","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-8982","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-8983","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-8984","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-1234","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-3706","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-4429","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-6323","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2009-5029","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3406","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4412","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-0242","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1914","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-2207","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4237","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4332","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4458","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-7423","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0475","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4043","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5119","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-6040","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-7817","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-8121","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9402","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9761","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-1472","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-1473","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-1781","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7547","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8776","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8777","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8778","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8779","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1234","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3075","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3706","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4429","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5417","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2016-5417","description":"Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.","status":"published","published":"2017-02-16T18:00:00Z","modified":"2024-08-06T01:00:59.901Z","updated_at":"2026-11-02T14:33:30.767029Z"}],"euvd":[{"id":"EUVD-2016-6362","description":"Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.","status":"published","published":"2017-02-16T18:00:00Z","modified":"2024-08-06T01:00:59Z","updated_at":"2026-11-03T02:22:42.442421Z"}],"ghsa":[{"id":"GHSA-qqpx-rhfx-8mgf","title":"Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in...","description":"Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.","status":"published","published":"2022-05-17T02:58:49Z","modified":"2023-02-20T05:06:01Z","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":"2026-11-02T14:54:11.398505Z"}],"nvd":[{"id":"CVE-2016-5417","description":"Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.","status":"published","published":"2017-02-17T02:59:13.31Z","modified":"2026-06-17T00:49:22.287Z","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-399"],"updated_at":"2026-11-02T14:03:35.822579Z"}],"osv":[{"id":"CVE-2016-5417","description":"Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.","status":"published","published":"2017-02-17T02:59:13.31Z","modified":"2026-10-24T10:30:15.245111123Z","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-2016-5417","description":"Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.","status":"published","published":"2017-02-17T02:59:13.31Z","modified":"2026-09-22T07:02:08.461188823Z","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-2016-5417","description":"Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.","status":"published","published":"2017-02-16T00:00:00Z","modified":"2026-04-22T10:40:02.744932Z","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":"MGASA-2017-0091","title":"Updated glibc packages fix security vulnerability","description":"Florian Weimer discovered a NULL pointer dereference in the DNS\nresolver of the GNU C Library. An attacker could use this to cause\na denial of service (CVE-2015-5180).\n\nTim Ruehsen discovered that the getaddrinfo() implementation in the\nGNU C Library did not properly track memory allocations. An attacker\ncould use this to cause a denial of service (CVE-2016-5417).\n","status":"published","published":"2017-03-27T13:55:27Z","modified":"2026-04-16T06:23:13.047130129Z","updated_at":"2026-11-02T15:49:40.103088Z"},{"id":"openSUSE-SU-2024:10154-1","title":"glibc-2.24-2.3 on GA media","description":"These are all security issues fixed in the glibc-2.24-2.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:49:26.960082Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"USN-3239-1","title":"eglibc, glibc vulnerabilities","description":"It was discovered that the GNU C Library incorrectly handled the\nstrxfrm() function. An attacker could use this issue to cause a denial\nof service or possibly execute arbitrary code. This issue only affected\nUbuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-8982)\n\nIt was discovered that an integer overflow existed in the\n_IO_wstr_overflow() function of the GNU C Library. An attacker could\nuse this to cause a denial of service or possibly execute arbitrary\ncode. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04\nLTS. (CVE-2015-8983)\n\nIt was discovered that the fnmatch() function in the GNU C Library\ndid not properly handle certain malformed patterns. An attacker could\nuse this to cause a denial of service. This issue only affected Ubuntu\n12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-8984)\n\nAlexander Cherepanov discovered a stack-based buffer overflow in the\nglob implementation of the GNU C Library. An attacker could use this\nto specially craft a directory layout and cause a denial of service.\n(CVE-2016-1234)\n\nFlorian Weimer discovered a NULL pointer dereference in the DNS\nresolver of the GNU C Library. An attacker could use this to cause\na denial of service. (CVE-2015-5180)\n\nMichael Petlan discovered an unbounded stack allocation in the\ngetaddrinfo() function of the GNU C Library. An attacker could use\nthis to cause a denial of service. (CVE-2016-3706)\n\nAldy Hernandez discovered an unbounded stack allocation in the sunrpc\nimplementation in the GNU C Library. An attacker could use this to\ncause a denial of service. (CVE-2016-4429)\n\nTim Ruehsen discovered that the getaddrinfo() implementation in the\nGNU C Library did not properly track memory allocations. An attacker\ncould use this to cause a denial of service. This issue only affected\nUbuntu 16.04 LTS. (CVE-2016-5417)\n\nAndreas Schwab discovered that the GNU C Library on ARM 32-bit\nplatforms did not properly set up execution contexts. An attacker\ncould use this to cause a denial of service. (CVE-2016-6323)\n","status":"published","published":"2017-03-21T02:58:45Z","modified":"2026-04-22T09:33:26.698116Z","updated_at":"2026-11-02T16:58:10.303275Z"}]}}