{"id":"CVE-2015-8983","aliases":["BELL-CVE-2015-8983","DEBIAN-CVE-2015-8983","DLA-316-1","EUVD-2015-8837","GHSA-77qx-ffg2-4jrv","SUSE-SU-2022:14923-1","UBUNTU-CVE-2015-8983","USN-3239-1"],"status":"published","title":"Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka...","description":"Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors related to computing a size in bytes, which triggers a heap-based buffer overflow.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0401,"percentile":0.90625,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-190"],"published":"2015-09-27T00:00:00Z","modified":"2026-09-09T07:00:10Z","fixes":[{"ecosystem":"Debian:12","package":"glibc","fixed_in":["2.21-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"glibc","fixed_in":["2.21-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"glibc","fixed_in":["2.21-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"eglibc","fixed_in":["2.19-0ubuntu6.10"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.21-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.21-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.21-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"eglibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.3-4+deb6u7"}]}],"versions":["2.11.2-10","2.11.2-10+m68k.1","2.11.2-11","2.11.2-11+m68k.1","2.11.2-12","2.11.2-13","2.11.3-1","2.11.3-2","2.11.3-3","2.11.3-4"],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Point of Sale 11 SP3","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.3-17.110.40.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP4-LTSS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.3-17.110.40.1"}]}],"bundled":5},{"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"]},{"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}],"products":[{"vendor":"gnu","product":"glibc"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2017/02/14/9","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory","advisory","article","fix"]},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=17269","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","fix","report"]},{"url":"https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Third Party Advisory","advisory"]},{"url":"https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=bdf1ff052a8e23d637f2c838fa5642d78fcedc33","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/72740","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-8983"},{"url":"https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bdf1ff052a8e23d637f2c838fa5642d78fcedc33"},{"url":"https://github.com/advisories/GHSA-77qx-ffg2-4jrv"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2015-8983","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-8983","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-202214923-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1193615","tags":["report"]},{"url":"https://bugzilla.suse.com/1193616","tags":["report"]},{"url":"https://bugzilla.suse.com/1194640","tags":["report"]},{"url":"https://bugzilla.suse.com/1194768","tags":["report"]},{"url":"https://bugzilla.suse.com/1194770","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8982","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8983","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3999","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-23218","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-23219","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2015-8983","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2015/02/22/15","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3239-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-8983","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-2015-8984","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-2016-5417","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-6323","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-8983","description":"Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors related to computing a size in bytes, which triggers a heap-based buffer overflow.","status":"published","published":"2017-03-20T16:00:00Z","modified":"2024-08-06T08:36:31.303Z","updated_at":"2026-11-02T14:35:40.900357Z"}],"euvd":[{"id":"EUVD-2015-8837","description":"Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors related to computing a size in bytes, which triggers a heap-based buffer overflow.","status":"published","published":"2017-03-20T16:00:00Z","modified":"2024-08-06T08:36:31Z","updated_at":"2026-11-03T01:57:25.349664Z"}],"ghsa":[{"id":"GHSA-77qx-ffg2-4jrv","title":"Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka...","description":"Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors related to computing a size in bytes, which triggers a heap-based buffer overflow.","status":"published","published":"2022-05-17T02:54:29Z","modified":"2025-04-20T03:35:29Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:01:42.936377Z"}],"nvd":[{"id":"CVE-2015-8983","description":"Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors related to computing a size in bytes, which triggers a heap-based buffer overflow.","status":"published","published":"2017-03-20T16:59:01.453Z","modified":"2026-06-17T00:35:37.06Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:03:17.368799Z"}],"osv":[{"id":"BELL-CVE-2015-8983","title":"CVE-2015-8983 does not affect BellSoft software","status":"withdrawn","published":"2017-03-20T16:59:00Z","modified":"2026-01-26T09:47:16.172728Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:13.47097Z"},{"id":"CVE-2015-8983","description":"Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors related to computing a size in bytes, which triggers a heap-based buffer overflow.","status":"published","published":"2017-03-20T16:59:01Z","modified":"2026-04-10T03:46:35.933228Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:01.068991Z"},{"id":"DEBIAN-CVE-2015-8983","description":"Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors related to computing a size in bytes, which triggers a heap-based buffer overflow.","status":"published","published":"2017-03-20T16:59:01.453Z","modified":"2026-09-09T07:00:10.491692505Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:27.323751Z"},{"id":"UBUNTU-CVE-2015-8983","description":"Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors related to computing a size in bytes, which triggers a heap-based buffer overflow.","status":"published","published":"2015-12-31T00:00:00Z","modified":"2026-04-22T10:25:27.320357Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:11.100633Z"},{"id":"DLA-316-1","title":"eglibc - security update","status":"published","published":"2015-09-27T00:00:00Z","modified":"2026-03-09T01:17:57.355698Z","updated_at":"2026-11-02T15:46:11.189256Z"},{"id":"SUSE-SU-2022:14923-1","title":"Security update for glibc","description":"This update for glibc fixes the following issues:\n\n- CVE-2022-23219: Fixed buffer overflow in sunrpc clnt_create for 'unix' (bsc#1194768, BZ #22542)\n- CVE-2022-23218: Fixed buffer overflow in sunrpc svcunix_create (bsc#1194770, BZ #28768)\n- CVE-2021-3999: Fixed in getcwd to set errno to ERANGE for size == 1 (bsc#1194640, BZ #28769)\n- CVE-2015-8983: Fixed _IO_wstr_overflow integer overflow (bsc#1193615, BZ #17269)\n- CVE-2015-8982: Fixed memory handling in strxfrm_l (bsc#1193616, BZ #16009)\n","status":"published","published":"2022-03-21T08:47:58Z","modified":"2026-02-04T04:11:02.416023Z","updated_at":"2026-11-02T15:53:50.513981Z"},{"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"}]}}