{"id":"CVE-2006-7227","url":"https://www.cyber-defence.io/tools/cve/CVE-2006-7227","generatedAt":"2026-10-27T19:39:06.698Z","title":"Integer overflow in Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to execute arbitrary code via a regular expression containing a large number of named subpatterns (name_count) or long subpattern names…","description":"Integer overflow in Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to execute arbitrary code via a regular expression containing a large number of named subpatterns (name_count) or long subpattern names (max_name_size), which triggers a buffer overflow.  NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.","published":"2007-11-14T21:46:00.000Z","lastModified":"2026-06-16T22:34:37.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":6.8,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P"},"cwe":["CWE-189"],"affected":["pcre/pcre"],"epss":{"score":0.03503,"percentile":0.89093,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (3.50%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://bugs.gentoo.org/show_bug.cgi?id=198976","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html","source":"secalert@redhat.com"},{"url":"http://scary.beasts.org/security/CESA-2007-006.html","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/27582","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/27741","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/27773","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/27869","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/28406","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/28414","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/28658","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/28714","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/28720","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/30106","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/30155","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/30219","source":"secalert@redhat.com"},{"url":"http://security.gentoo.org/glsa/glsa-200711-30.xml","source":"secalert@redhat.com"},{"url":"http://security.gentoo.org/glsa/glsa-200801-02.xml","source":"secalert@redhat.com"},{"url":"http://security.gentoo.org/glsa/glsa-200801-18.xml","source":"secalert@redhat.com"},{"url":"http://security.gentoo.org/glsa/glsa-200801-19.xml","source":"secalert@redhat.com"},{"url":"http://security.gentoo.org/glsa/glsa-200805-11.xml","source":"secalert@redhat.com"},{"url":"http://support.avaya.com/elmodocs2/security/ASA-2007-493.htm","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2008/dsa-1570","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2008:030","source":"secalert@redhat.com"},{"url":"http://www.novell.com/linux/security/advisories/2007_62_pcre.html","source":"secalert@redhat.com"},{"url":"http://www.pcre.org/changelog.txt","source":"secalert@redhat.com"},{"url":"http://www.redhat.com/support/errata/RHSA-2007-1052.html","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/26462","source":"secalert@redhat.com"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10408","source":"secalert@redhat.com"},{"url":"http://bugs.gentoo.org/show_bug.cgi?id=198976","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://scary.beasts.org/security/CESA-2007-006.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/27582","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/27741","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/27773","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/27869","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/28406","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/28414","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/28658","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/28714","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/28720","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/30106","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/30155","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/30219","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://security.gentoo.org/glsa/glsa-200711-30.xml","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://security.gentoo.org/glsa/glsa-200801-02.xml","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://security.gentoo.org/glsa/glsa-200801-18.xml","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://security.gentoo.org/glsa/glsa-200801-19.xml","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://security.gentoo.org/glsa/glsa-200805-11.xml","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.avaya.com/elmodocs2/security/ASA-2007-493.htm","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2008/dsa-1570","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2008:030","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.novell.com/linux/security/advisories/2007_62_pcre.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.pcre.org/changelog.txt","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2007-1052.html","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/26462","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10408","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2006-7227","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}