{"id":"CVE-2010-4051","aliases":["BELL-CVE-2010-4051","DEBIAN-CVE-2010-4051","EUVD-2010-4027","GHSA-6429-fc4p-f7q7"],"status":"published","title":"The regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x...","description":"The regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (application crash) via a regular expression containing adjacent bounded repetitions that bypass the intended RE_DUP_MAX limitation, as demonstrated by a {10,}{10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD, related to a \"RE_DUP_MAX overflow.\"","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.39995,"percentile":0.98638,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"published":"2011-01-13T18:35:00Z","modified":"2026-10-23T17:47:33Z","exploits":[{"source":"exploitdb","id":"EDB-15935","title":"GNU libc/regcomp(3) - Multiple Vulnerabilities","type":"dos","platform":"linux","date":"2011-01-07","url":"https://www.exploit-db.com/exploits/15935"}],"fixes":[{"ecosystem":"Debian:12","package":"glibc","fixed_in":["2.19-4"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"glibc","fixed_in":["2.19-4"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"glibc","fixed_in":["2.19-4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-4"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-4"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-4"}]}]}],"products":[{"vendor":"gnu","product":"glibc"}],"references":[{"url":"http://secunia.com/advisories/42547","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://securitytracker.com/id?1024832","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://seclists.org/fulldisclosure/2011/Jan/78","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Exploit","evidence"]},{"url":"http://www.kb.cert.org/vuls/id/912279","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource","web"]},{"url":"http://www.securityfocus.com/bid/45233","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","evidence"]},{"url":"http://www.securityfocus.com/archive/1/515589/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://cxib.net/stuff/proftpd.gnu.c","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"http://www.exploit-db.com/exploits/15935","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","web"]},{"url":"http://securityreason.com/securityalert/8003","tags":["third-party-advisory","x_refsource_SREASON","x_transferred","Exploit","evidence"]},{"url":"http://securityreason.com/achievement_securityalert/93","tags":["third-party-advisory","x_refsource_SREASONRES","x_transferred","Exploit","evidence"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=645859","tags":["x_refsource_MISC","x_transferred","Exploit","evidence"]},{"url":"https://lists.apache.org/thread.html/rc713534b10f9daeee2e0990239fa407e2118e4aa9e88a7041177497c%40%3Cissues.guacamole.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-4051"},{"url":"https://lists.apache.org/thread.html/rc713534b10f9daeee2e0990239fa407e2118e4aa9e88a7041177497c@%3Cissues.guacamole.apache.org%3E"},{"url":"https://github.com/advisories/GHSA-6429-fc4p-f7q7"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2010-4051","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2010-4051","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2010-4051","description":"The regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (application crash) via a regular expression containing adjacent bounded repetitions that bypass the intended RE_DUP_MAX limitation, as demonstrated by a {10,}{10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD, related to a \"RE_DUP_MAX overflow.\"","status":"published","published":"2011-01-13T18:35:00Z","modified":"2024-08-07T03:34:37.117Z","updated_at":"2026-11-02T14:33:28.50039Z"}],"euvd":[{"id":"EUVD-2010-4027","description":"The regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (application crash) via a regular expression containing adjacent bounded repetitions that bypass the intended RE_DUP_MAX limitation, as demonstrated by a {10,}{10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD, related to a \"RE_DUP_MAX overflow.\"","status":"published","published":"2011-01-13T18:35:00Z","modified":"2024-08-07T03:34:37Z","updated_at":"2026-11-03T01:39:31.566203Z"}],"ghsa":[{"id":"GHSA-6429-fc4p-f7q7","title":"The regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x...","description":"The regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (application crash) via a regular expression containing adjacent bounded repetitions that bypass the intended RE_DUP_MAX limitation, as demonstrated by a {10,}{10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD, related to a \"RE_DUP_MAX overflow.\"","status":"published","published":"2022-05-13T01:09:15Z","modified":"2025-04-11T03:43:59Z","updated_at":"2026-11-02T15:01:07.765441Z"}],"nvd":[{"id":"CVE-2010-4051","description":"The regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (application crash) via a regular expression containing adjacent bounded repetitions that bypass the intended RE_DUP_MAX limitation, as demonstrated by a {10,}{10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD, related to a \"RE_DUP_MAX overflow.\"","status":"published","published":"2011-01-13T19:00:02.9Z","modified":"2026-06-16T23:24:03.643Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:03.297831Z"}],"osv":[{"id":"BELL-CVE-2010-4051","title":"CVE-2010-4051 does not affect BellSoft software","status":"withdrawn","published":"2011-01-13T19:00:00Z","modified":"2026-01-28T07:21:04.035835Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium"}],"updated_at":"2026-11-02T15:28:12.886815Z"},{"id":"CVE-2010-4051","description":"The regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (application crash) via a regular expression containing adjacent bounded repetitions that bypass the intended RE_DUP_MAX limitation, as demonstrated by a {10,}{10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD, related to a \"RE_DUP_MAX overflow.\"","status":"published","published":"2011-01-13T19:00:02Z","modified":"2026-04-10T03:41:28.041092Z","updated_at":"2026-11-02T15:43:57.991581Z"},{"id":"DEBIAN-CVE-2010-4051","description":"The regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (application crash) via a regular expression containing adjacent bounded repetitions that bypass the intended RE_DUP_MAX limitation, as demonstrated by a {10,}{10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD, related to a \"RE_DUP_MAX overflow.\"","status":"published","published":"2011-01-13T19:00:02.9Z","modified":"2026-10-23T17:47:33.223284415Z","updated_at":"2026-11-02T15:45:24.316685Z"}]}}