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glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27 contains a buffer overflow during unescaping of user names with the ~ operator.","status":"published","published":"2017-10-22T17:00:00Z","modified":"2024-08-05T20:04:50.161Z","updated_at":"2026-11-02T14:33:14.556599Z"}],"euvd":[{"id":"EUVD-2017-7227","description":"The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27 contains a buffer overflow during unescaping of user names with the ~ operator.","status":"published","published":"2017-10-22T17:00:00Z","modified":"2024-08-05T20:04:50Z","updated_at":"2026-11-03T02:23:13.410138Z"}],"ghsa":[{"id":"GHSA-3r84-39rf-qwh3","title":"The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27 contains a...","description":"The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27 contains a buffer overflow during unescaping of user names with the ~ operator.","status":"published","published":"2022-05-14T03:17:32Z","modified":"2025-04-20T03:48:30Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:55.184489Z"}],"nvd":[{"id":"CVE-2017-15804","description":"The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27 contains a buffer overflow during unescaping of user names with the ~ operator.","status":"published","published":"2017-10-22T20:29:02.29Z","modified":"2026-06-17T01:08:17.997Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:04:03.426231Z"}],"osv":[{"id":"BELL-CVE-2017-15804","title":"CVE-2017-15804 does not affect BellSoft software","status":"withdrawn","published":"2017-10-22T20:29:00Z","modified":"2026-01-26T09:46:09.716204Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:28:14.137943Z"},{"id":"CVE-2017-15804","description":"The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27 contains a buffer overflow during unescaping of user names with the ~ operator.","status":"published","published":"2017-10-22T20:29:02.29Z","modified":"2026-10-24T10:30:18.529767694Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:04.853379Z"},{"id":"DEBIAN-CVE-2017-15804","description":"The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27 contains a buffer overflow during unescaping of user names with the ~ operator.","status":"published","published":"2017-10-22T20:29:02.29Z","modified":"2026-09-01T20:02:41.400966878Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:28.801885Z"},{"id":"RHSA-2018:0805","title":"Red Hat Security Advisory: glibc security, bug fix, and enhancement update","status":"published","published":"2024-09-16T00:46:08Z","modified":"2026-06-26T12:22:01.405386482Z","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":"2026-11-02T15:53:04.822845Z"},{"id":"RHSA-2018:1879","title":"Red Hat Security Advisory: glibc security and bug fix update","status":"published","published":"2024-09-16T00:46:16Z","modified":"2026-06-26T12:22:02.019255547Z","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":"2026-11-02T15:53:04.822845Z"},{"id":"UBUNTU-CVE-2017-15804","description":"The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27 contains a buffer overflow during unescaping of user names with the ~ operator.","status":"published","published":"2017-10-22T00:00:00Z","modified":"2026-04-22T11:19:14.372451Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:14.563448Z"},{"id":"MGASA-2017-0464","title":"Updated glibc packages fix security vulnerabilities","description":"The DNS stub resolver in the GNU C Library (aka glibc or libc6) before\nversion 2.26, when EDNS support is enabled, will solicit large UDP\nresponses from name servers, potentially simplifying off-path DNS\nspoofing attacks due to IP fragmentation.(CVE-2017-12132, CVE-2017-12133).\n\nThe GNU C Library (aka glibc or libc6) before 2.27 contains an off-by-one\nerror leading to a heap-based buffer overflow (CVE-2017-15670).\n\nThe glob function in glob.c in the GNU C Library (aka glibc or libc6)\nbefore 2.27, when invoked with GLOB_TILDE, could skip freeing allocated\nmemory when processing the ~ operator with a long user name, potentially\nleading to a denial of service (memory leak) (CVE-2017-15671).\n\nThe glob function in glob.c in the GNU C Library (aka glibc or libc6)\nbefore 2.27 contains a buffer overflow during unescaping of user names\nwith the ~ operator (CVE-2017-15804).\n\nAs libtirpc is also affected by CVE-2017-12133, it's part of this update.\n","status":"published","published":"2017-12-22T10:31:08Z","modified":"2026-04-16T06:25:45.825071754Z","updated_at":"2026-11-02T15:49:40.442238Z"},{"id":"MGASA-2017-0470","title":"Updated glibc packages fix security vulnerabilities","description":"The DNS stub resolver in the GNU C Library (aka glibc or libc6) before\nversion 2.26, when EDNS support is enabled, will solicit large UDP\nresponses from name servers, potentially simplifying off-path DNS\nspoofing attacks due to IP fragmentation.(CVE-2017-12132, CVE-2017-12133).\n\nThe GNU C Library (aka glibc or libc6) before 2.27 contains an off-by-one\nerror leading to a heap-based buffer overflow (CVE-2017-15670).\n\nThe glob function in glob.c in the GNU C Library (aka glibc or libc6)\nbefore 2.27, when invoked with GLOB_TILDE, could skip freeing allocated\nmemory when processing the ~ operator with a long user name, potentially\nleading to a denial of service (memory leak) (CVE-2017-15671).\n\nThe glob function in glob.c in the GNU C Library (aka glibc or libc6)\nbefore 2.27 contains a buffer overflow during unescaping of user names\nwith the ~ operator (CVE-2017-15804).\n\nAs libtirpc is also affected by CVE-2017-12133, it's part of this update.\n","status":"published","published":"2017-12-28T13:16:56Z","modified":"2026-04-16T06:25:00.384693342Z","updated_at":"2026-11-02T15:49:40.442238Z"},{"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":"SUSE-SU-2018:2185-1","title":"Security update for glibc","description":"This update for glibc fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2017-15804: Fix buffer overflow during unescaping of user names in the glob function in glob.c (bsc#1064580).\n- CVE-2017-15670: Fix buffer overflow in glob with GLOB_TILDE (bsc#1064583).\n- CVE-2017-15671: Fix memory leak in glob with GLOB_TILDE (bsc#1064569).\n- CVE-2018-11236: Fix 32bit arch integer overflow in stdlib/canonicalize.c when processing very long pathname arguments (bsc#1094161).\n- CVE-2017-12132: Reduce advertised EDNS0 buffer size to guard against fragmentation attacks (bsc#1051791).\n","status":"published","published":"2018-08-03T13:49:12Z","modified":"2026-02-04T03:51:00.721784Z","updated_at":"2026-11-02T15:53:44.972817Z"},{"id":"SUSE-SU-2018:2187-1","title":"Security update for glibc","description":"This update for glibc fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2017-15804: Fix buffer overflow during unescaping of user names in the glob function in glob.c (bsc#1064580).\n- CVE-2017-15670: Fix buffer overflow in glob with GLOB_TILDE (bsc#1064583).\n- CVE-2017-15671: Fix memory leak in glob with GLOB_TILDE (bsc#1064569).\n- CVE-2018-11236: Fix 32bit arch integer overflow in stdlib/canonicalize.c when processing very long pathname arguments (bsc#1094161).\n- CVE-2017-12132: Reduce advertised EDNS0 buffer size to guard against fragmentation attacks (bsc#1051791).\n- CVE-2018-1000001: Avoid underflow of malloced area (bsc#1074293).\n","status":"published","published":"2018-08-03T13:56:22Z","modified":"2026-02-04T03:10:55.022935Z","updated_at":"2026-11-02T15:53:44.972817Z"},{"id":"SUSE-SU-2018:2883-1","title":"Security update for glibc","description":"This update for glibc fixes the following security issues:\n\n- CVE-2017-15670: Prevent off-by-one error that lead to a heap-based buffer\n  overflow in the glob function, related to the processing of home directories\n  using the ~ operator followed by a long string (bsc#1064583)\n- CVE-2017-15804: The glob function contained a buffer overflow during\n  unescaping of user names with the ~ operator (bsc#1064580)\n- CVE-2015-5180: res_query in libresolv allowed remote attackers to cause a\n  denial of service (NULL pointer dereference and process crash) (bsc#941234).\n\nThis non-security issue was fixed:\n\n- Fix inaccuracies in casin, cacos, casinh, cacosh (bsc#1058774)\n","status":"published","published":"2018-09-26T12:20:32Z","modified":"2026-02-04T04:11:25.212909Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"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"}]}}