{"id":"CVE-2017-1000409","aliases":["DEBIAN-CVE-2017-1000409","EUVD-2017-1548","GHSA-6rpv-6r2m-9c95","SUSE-SU-2018:0074-1","UBUNTU-CVE-2017-1000409","USN-3534-1"],"status":"published","title":"A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the...","description":"A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the LD_LIBRARY_PATH environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366.","severity":{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01208,"percentile":0.68572,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-119"],"published":"2017-12-13T00:00:00Z","modified":"2026-10-24T10:30:58Z","exploits":[{"source":"exploitdb","id":"EDB-43331","title":"GNU C Library Dynamic Loader glibc ld.so - Memory Leak / Buffer Overflow","type":"local","platform":"linux","date":"2017-12-13","verified":true,"url":"https://www.exploit-db.com/exploits/43331"}],"fixes":[{"ecosystem":"Debian:12","package":"glibc","fixed_in":["2.25-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"glibc","fixed_in":["2.25-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"glibc","fixed_in":["2.25-5"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"eglibc","fixed_in":["2.19-0ubuntu6.14"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"glibc","fixed_in":["2.23-0ubuntu10"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.25-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.25-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.25-5"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP2","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.3.4"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP3","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.3.4"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.3.4"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP2","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.3.4"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP3","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.3.4"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.3.4"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.3.4"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.3.4"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.3.4"}]}],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"eglibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-0ubuntu6.14"}]}],"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","2.19-0ubuntu6.10","2.19-0ubuntu6.11","2.19-0ubuntu6.13"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu10"}]}],"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","2.23-0ubuntu6","2.23-0ubuntu7","2.23-0ubuntu9"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"eglibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-0ubuntu6.14"}]}],"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","2.19-0ubuntu6.10","2.19-0ubuntu6.11","2.19-0ubuntu6.13"],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu10"}]}],"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","2.23-0ubuntu6","2.23-0ubuntu7","2.23-0ubuntu9"],"bundled":7}],"products":[{"vendor":"gnu","product":"glibc"}],"references":[{"url":"https://www.exploit-db.com/exploits/43331/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence"]},{"url":"http://seclists.org/oss-sec/2017/q4/385","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit","Mailing List","Third Party Advisory","evidence"]},{"url":"https://security.netapp.com/advisory/ntap-20190404-0003/","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-1000409"},{"url":"https://github.com/advisories/GHSA-6rpv-6r2m-9c95"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-1000409","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180074-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1051042","tags":["report"]},{"url":"https://bugzilla.suse.com/1053188","tags":["report"]},{"url":"https://bugzilla.suse.com/1063675","tags":["report"]},{"url":"https://bugzilla.suse.com/1064569","tags":["report"]},{"url":"https://bugzilla.suse.com/1064580","tags":["report"]},{"url":"https://bugzilla.suse.com/1064583","tags":["report"]},{"url":"https://bugzilla.suse.com/1070905","tags":["report"]},{"url":"https://bugzilla.suse.com/1071319","tags":["report"]},{"url":"https://bugzilla.suse.com/1073231","tags":["report"]},{"url":"https://bugzilla.suse.com/1074293","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2017-1000408","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-1000409","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15670","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15671","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15804","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-16997","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-1000001","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2017-1000409","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2017/12/11/4","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3534-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-1000409","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-15670","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-15804","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-16997","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-17426","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-1000408","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-1000001","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-1000409","description":"A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the LD_LIBRARY_PATH environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366.","status":"published","published":"2018-02-01T04:00:00Z","modified":"2024-08-05T22:00:39.899Z","updated_at":"2026-11-02T14:33:20.843976Z"}],"euvd":[{"id":"EUVD-2017-1548","description":"A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the LD_LIBRARY_PATH environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366.","status":"published","published":"2018-02-01T04:00:00Z","modified":"2024-08-05T22:00:39Z","updated_at":"2026-11-03T02:23:03.593375Z"}],"ghsa":[{"id":"GHSA-6rpv-6r2m-9c95","title":"A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the...","description":"A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the LD_LIBRARY_PATH environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366.","status":"published","published":"2022-05-14T01:13:34Z","modified":"2023-02-02T05:03:30Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:51:39.380797Z"}],"nvd":[{"id":"CVE-2017-1000409","description":"A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the LD_LIBRARY_PATH environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366.","status":"published","published":"2018-02-01T04:29:00.31Z","modified":"2026-06-17T00:59:07.383Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:04:13.257031Z"}],"osv":[{"id":"CVE-2017-1000409","description":"A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the LD_LIBRARY_PATH environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366.","status":"published","published":"2018-02-01T04:29:00.31Z","modified":"2026-10-24T10:30:58.809041734Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:03.851821Z"},{"id":"DEBIAN-CVE-2017-1000409","description":"A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the LD_LIBRARY_PATH environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366.","status":"published","published":"2018-02-01T04:29:00.31Z","modified":"2026-09-01T20:03:40.912898699Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:28.207321Z"},{"id":"UBUNTU-CVE-2017-1000409","description":"A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the LD_LIBRARY_PATH environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366.","status":"published","published":"2017-12-13T00:00:00Z","modified":"2026-04-22T11:09:42.190425Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:13.729565Z"},{"id":"SUSE-SU-2018:0074-1","title":"Security update for glibc","description":"This update for glibc fixes the following issues:\n\n- A privilege escalation bug in the realpath() function has been fixed.\n  [CVE-2018-1000001, bsc#1074293]\n\n- A memory leak and a buffer overflow in the dynamic ELF loader has been fixed.\n  [CVE-2017-1000408, CVE-2017-1000409, bsc#1071319]\n\n- An issue in the code handling RPATHs was fixed that could have been exploited\n  by an attacker to execute code loaded from arbitrary libraries.\n  [CVE-2017-16997, bsc#1073231]\n\n- A potential crash caused by a use-after-free bug in pthread_create() has been\n  fixed. [bsc#1053188]\n\n- A bug that prevented users to build shared objects which use the optimized\n  libmvec.so API has been fixed. [bsc#1070905]\n\n- A memory leak in the glob() function has been fixed. [CVE-2017-15670,\n  CVE-2017-15671, CVE-2017-15804, bsc#1064569, bsc#1064580, bsc#1064583]\n\n- A bug that would lose the syscall error code value in case of crashes has\n  been fixed. [bsc#1063675]\n","status":"published","published":"2018-01-12T08:46:15Z","modified":"2026-02-04T02:25:34.853927Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"USN-3534-1","title":"eglibc, glibc vulnerabilities","description":"It was discovered that the GNU C library did not properly handle all of\nthe possible return values from the kernel getcwd(2) syscall. A local\nattacker could potentially exploit this to execute arbitrary code in setuid\nprograms and gain administrative privileges. (CVE-2018-1000001)\n\nA memory leak was discovered in the _dl_init_paths() function in the GNU\nC library dynamic loader. A local attacker could potentially exploit this\nwith a specially crafted value in the LD_HWCAP_MASK environment variable,\nin combination with CVE-2017-1000409 and another vulnerability on a system\nwith hardlink protections disabled, in order to gain administrative\nprivileges. (CVE-2017-1000408)\n\nA heap-based buffer overflow was discovered in the _dl_init_paths()\nfunction in the GNU C library dynamic loader. A local attacker could\npotentially exploit this with a specially crafted value in the\nLD_LIBRARY_PATH environment variable, in combination with CVE-2017-1000408\nand another vulnerability on a system with hardlink protections disabled,\nin order to gain administrative privileges. (CVE-2017-1000409)\n\nAn off-by-one error leading to a heap-based buffer overflow was discovered\nin the GNU C library glob() implementation. An attacker could potentially\nexploit this to cause a denial of service or execute arbitrary code via a\nmaliciously crafted pattern. (CVE-2017-15670)\n\nA heap-based buffer overflow was discovered during unescaping of user names\nwith the ~ operator in the GNU C library glob() implementation. An attacker\ncould potentially exploit this to cause a denial of service or execute\narbitrary code via a maliciously crafted pattern. (CVE-2017-15804)\n\nIt was discovered that the GNU C library dynamic loader mishandles RPATH\nand RUNPATH containing $ORIGIN for privileged (setuid or AT_SECURE)\nprograms. A local attacker could potentially exploit this by providing a\nspecially crafted library in the current working directory in order to\ngain administrative privileges. (CVE-2017-16997)\n\nIt was discovered that the GNU C library malloc() implementation could\nreturn a memory block that is too small if an attempt is made to allocate\nan object whose size is close to SIZE_MAX, resulting in a heap-based\noverflow. An attacker could potentially exploit this to cause a denial of\nservice or execute arbitrary code. This issue only affected Ubuntu 17.10.\n(CVE-2017-17426)\n","status":"published","published":"2018-01-17T12:57:11Z","modified":"2026-04-22T09:42:09.265621Z","updated_at":"2026-11-02T16:58:13.496563Z"}]}}