{"id":"CVE-2005-4872","aliases":["BELL-CVE-2005-4872","DEBIAN-CVE-2005-4872","EUVD-2005-4863","GHSA-m5xf-8w89-qqxm","RHSA-2007:1052"],"status":"published","title":"Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number...","description":"Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service (crash) via a regular expression with a large number of named subpatterns, which triggers a buffer overflow.  NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02321,"percentile":0.83574,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2005-12-31T05:00:00Z","modified":"2026-10-23T03:47:38Z","fixes":[{"ecosystem":"Debian:12","package":"pcre3","fixed_in":["6.2-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pcre3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2-1"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"pcre","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.5-4.el4_5.4"}]}],"bundled":2},{"source":"osv","ecosystem":"Red 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Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/26462","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.redhat.com/support/errata/RHSA-2007-1052.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","web"]},{"url":"http://www.novell.com/linux/security/advisories/2007_62_pcre.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","advisory"]},{"url":"http://www.pcre.org/changelog.txt","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://secunia.com/advisories/27869","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11615","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://secunia.com/advisories/27582","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://scary.beasts.org/security/CESA-2007-006.html","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-4872","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-m5xf-8w89-qqxm"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2005-4872","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2005-4872","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2007:1052","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=383341","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=383361","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2007/rhsa-2007_1052.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2005-4872","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2005-4872","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2006-7227","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2006-7227","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-7227","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2005-4872","description":"Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service (crash) via a regular expression with a large number of named subpatterns, which triggers a buffer overflow.  NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.","status":"published","published":"2007-11-14T21:00:00Z","modified":"2024-08-08T00:01:23.333Z","updated_at":"2026-11-02T14:33:38.906611Z"}],"euvd":[{"id":"EUVD-2005-4863","description":"Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service (crash) via a regular expression with a large number of named subpatterns, which triggers a buffer overflow.  NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.","status":"published","published":"2007-11-14T21:00:00Z","modified":"2024-08-08T00:01:23Z","updated_at":"2026-11-03T01:15:21.029087Z"}],"ghsa":[{"id":"GHSA-m5xf-8w89-qqxm","title":"Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number...","description":"Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service (crash) via a regular expression with a large number of named subpatterns, which triggers a buffer overflow.  NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.","status":"published","published":"2022-05-01T02:31:33Z","modified":"2023-01-31T05:00:25Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:47:51.48849Z"}],"nvd":[{"id":"CVE-2005-4872","description":"Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service (crash) via a regular expression with a large number of named subpatterns, which triggers a buffer overflow.  NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.","status":"published","published":"2005-12-31T05:00:00Z","modified":"2026-06-16T22:19:38.373Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:00:59.170202Z"}],"osv":[{"id":"BELL-CVE-2005-4872","title":"CVE-2005-4872 does not affect BellSoft software","status":"withdrawn","published":"2005-12-31T05:00:00Z","modified":"2026-01-28T07:19:43.104894Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium"}],"updated_at":"2026-11-02T15:28:12.886815Z"},{"id":"CVE-2005-4872","description":"Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service (crash) via a regular expression with a large number of named subpatterns, which triggers a buffer overflow.  NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.","status":"published","published":"2005-12-31T05:00:00Z","modified":"2026-04-10T03:37:20.993898Z","updated_at":"2026-11-02T15:43:56.581247Z"},{"id":"DEBIAN-CVE-2005-4872","description":"Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service (crash) via a regular expression with a large number of named subpatterns, which triggers a buffer overflow.  NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.","status":"published","published":"2005-12-31T05:00:00Z","modified":"2026-10-23T03:47:38.680514964Z","updated_at":"2026-11-02T15:45:22.831407Z"},{"id":"RHSA-2007:1052","title":"Red Hat Security Advisory: pcre security update","status":"published","published":"2024-09-15T17:02:03Z","modified":"2026-06-26T12:18:05.701515317Z","updated_at":"2026-11-02T15:52:59.70892Z"}]}}