{"id":"CVE-2015-20109","aliases":["DEBIAN-CVE-2015-20109","EUVD-2015-2112","GHSA-rf48-x9gm-3vx2","UBUNTU-CVE-2015-20109","USN-6762-1"],"status":"published","title":"end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22...","description":"end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash), as demonstrated by use of the fnmatch library function with the **(!() pattern. NOTE: this is not the same as CVE-2015-8984; also, some Linux distributions have fixed CVE-2015-8984 but have not fixed this additional fnmatch issue.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00317,"percentile":0.24813,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-120"],"published":"2023-06-25T00:00:00Z","modified":"2026-09-09T07:00:36Z","fixes":[{"ecosystem":"Debian:12","package":"glibc","fixed_in":["2.22-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"glibc","fixed_in":["2.22-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"glibc","fixed_in":["2.22-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"eglibc","fixed_in":["2.19-0ubuntu6.15+esm3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"eglibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-0ubuntu6.15+esm3"}]}],"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","2.19-0ubuntu6.14","2.19-0ubuntu6.15","2.19-0ubuntu6.15+esm1","2.19-0ubuntu6.15+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"eglibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-0ubuntu6.15+esm3"}]}],"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","2.19-0ubuntu6.14","2.19-0ubuntu6.15","2.19-0ubuntu6.15+esm1","2.19-0ubuntu6.15+esm2"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu11.3+esm6"}]}],"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","2.23-0ubuntu10","2.23-0ubuntu11","2.23-0ubuntu11.2","2.23-0ubuntu11.3","2.23-0ubuntu11.3+esm1","2.23-0ubuntu11.3+esm2","2.23-0ubuntu11.3+esm3","2.23-0ubuntu11.3+esm5"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.27-3ubuntu1.6+esm2"}]}],"versions":["2.26-0ubuntu2","2.26-0ubuntu2.1","2.27-0ubuntu2","2.27-0ubuntu3","2.27-3ubuntu1","2.27-3ubuntu1.2","2.27-3ubuntu1.3","2.27-3ubuntu1.4","2.27-3ubuntu1.5","2.27-3ubuntu1.6","2.27-3ubuntu1.6+esm1"],"bundled":5}],"products":[{"vendor":"gnu","product":"glibc"}],"references":[{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=18036","tags":["x_transferred","Exploit","Issue Tracking","evidence","report"]},{"url":"https://security.netapp.com/advisory/ntap-20230731-0009/","tags":["x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-20109"},{"url":"https://security.netapp.com/advisory/ntap-20230731-0009"},{"url":"https://github.com/advisories/GHSA-rf48-x9gm-3vx2"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-20109","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2015-20109","tags":["report"]},{"url":"https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c2c6d39fab901c97c18fa3a3a3658d9dc3f7df61","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-20109","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6762-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2014-9984","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-11236","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-3999","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2024-2961","tags":["report"]},{"url":"https://launchpad.net/bugs/2063328","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-20109","description":"end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash), as demonstrated by use of the fnmatch library function with the **(!() pattern. NOTE: this is not the same as CVE-2015-8984; also, some Linux distributions have fixed CVE-2015-8984 but have not fixed this additional fnmatch issue.","status":"published","published":"2023-06-25T00:00:00Z","modified":"2024-11-27T19:50:15.593Z","updated_at":"2026-11-02T14:35:39.447402Z"}],"euvd":[{"id":"EUVD-2015-2112","description":"end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash), as demonstrated by use of the fnmatch library function with the **(!() pattern. NOTE: this is not the same as CVE-2015-8984; also, some Linux distributions have fixed CVE-2015-8984 but have not fixed this additional fnmatch issue.","status":"published","published":"2023-06-25T00:00:00Z","modified":"2024-11-27T19:50:15Z","updated_at":"2026-11-03T00:04:45.257697Z"}],"ghsa":[{"id":"GHSA-rf48-x9gm-3vx2","title":"end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22...","description":"end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash), as demonstrated by use of the fnmatch library function with the **(!() pattern. NOTE: this is not the same as CVE-2015-8984; also, some Linux distributions have fixed CVE-2015-8984 but have not fixed this additional fnmatch issue.","status":"published","published":"2023-06-25T18:30:26Z","modified":"2024-04-11T21:10:15Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:57:07.969203Z"}],"nvd":[{"id":"CVE-2015-20109","description":"end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash), as demonstrated by use of the fnmatch library function with the **(!() pattern. NOTE: this is not the same as CVE-2015-8984; also, some Linux distributions have fixed CVE-2015-8984 but have not fixed this additional fnmatch issue.","status":"published","published":"2023-06-25T17:15:14.187Z","modified":"2026-06-17T00:23:24.38Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:03:20.037729Z"}],"osv":[{"id":"CVE-2015-20109","description":"end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash), as demonstrated by use of the fnmatch library function with the **(!() pattern. NOTE: this is not the same as CVE-2015-8984; also, some Linux distributions have fixed CVE-2015-8984 but have not fixed this additional fnmatch issue.","status":"published","published":"2023-06-25T17:15:14Z","modified":"2026-04-10T03:46:12.658684Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:00.594921Z"},{"id":"DEBIAN-CVE-2015-20109","description":"end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash), as demonstrated by use of the fnmatch library function with the **(!() pattern. NOTE: this is not the same as CVE-2015-8984; also, some Linux distributions have fixed CVE-2015-8984 but have not fixed this additional fnmatch issue.","status":"published","published":"2023-06-25T17:15:14.187Z","modified":"2026-09-09T07:00:36.101779603Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:26.752992Z"},{"id":"UBUNTU-CVE-2015-20109","description":"end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash), as demonstrated by use of the fnmatch library function with the **(!() pattern. NOTE: this is not the same as CVE-2015-8984; also, some Linux distributions have fixed CVE-2015-8984 but have not fixed this additional fnmatch issue.","status":"published","published":"2023-06-25T17:15:00Z","modified":"2026-04-22T10:04:10.491767Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:10.045446Z"},{"id":"USN-6762-1","title":"eglibc, glibc vulnerabilities","description":"It was discovered that GNU C Library incorrectly handled netgroup requests.\nAn attacker could possibly use this issue to cause a crash or execute arbitrary code.\nThis issue only affected Ubuntu 14.04 LTS. (CVE-2014-9984)\n\nIt was discovered that GNU C Library might allow context-dependent\nattackers to cause a denial of service. This issue only affected Ubuntu 14.04 LTS.\n(CVE-2015-20109)\n\nIt was discovered that GNU C Library when processing very long pathname arguments to\nthe realpath function, could encounter an integer overflow on 32-bit\narchitectures, leading to a stack-based buffer overflow and, potentially,\narbitrary code execution. This issue only affected Ubuntu 14.04 LTS.\n(CVE-2018-11236)\n\nIt was discovered that the GNU C library getcwd function incorrectly\nhandled buffers. An attacker could use this issue to cause the GNU C\nLibrary to crash, resulting in a denial of service, or possibly execute\narbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2021-3999)\n\nCharles Fol discovered that the GNU C Library iconv feature incorrectly\nhandled certain input sequences. An attacker could use this issue to cause\nthe GNU C Library to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2024-2961)\n","status":"published","published":"2024-05-02T12:45:48Z","modified":"2026-06-29T13:51:10.431518189Z","updated_at":"2026-11-02T16:58:17.914523Z"}]}}