CVE-2007-4768

    Dashboard / Vulnerabilities / CVE-2007-4768

    CVE-2007-4768

    Published: 7 Nov 2007Last Modified: 10 Apr 2026

    Summary:

    Details: Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized.

    References: http://secunia.com/advisories/27538, http://secunia.com/advisories/27543, http://secunia.com/advisories/27554, http://secunia.com/advisories/27697, http://secunia.com/advisories/27741, http://secunia.com/advisories/28136, http://secunia.com/advisories/28157, http://secunia.com/advisories/28161, http://secunia.com/advisories/28213, http://secunia.com/advisories/28406, http://secunia.com/advisories/28414, http://secunia.com/advisories/28570, http://secunia.com/advisories/28714, http://secunia.com/advisories/28720, http://secunia.com/advisories/29267, http://secunia.com/advisories/29420, http://secunia.com/advisories/30106, http://secunia.com/advisories/30155, http://secunia.com/advisories/30219, http://secunia.com/advisories/30507, http://secunia.com/advisories/30840, http://security.gentoo.org/glsa/glsa-200711-30.xml, http://security.gentoo.org/glsa/glsa-200801-02.xml, http://security.gentoo.org/glsa/glsa-200801-18.xml, http://security.gentoo.org/glsa/glsa-200801-19.xml, http://security.gentoo.org/glsa/glsa-200805-11.xml, http://www.debian.org/security/2007/dsa-1399, http://www.debian.org/security/2008/dsa-1570, http://www.mandriva.com/security/advisories?name=MDKSA-2007:211, http://www.vupen.com/english/advisories/2007/3725, http://www.vupen.com/english/advisories/2007/3790, http://www.vupen.com/english/advisories/2007/4238, http://www.vupen.com/english/advisories/2007/4258, http://www.vupen.com/english/advisories/2008/0924/references, http://www.vupen.com/english/advisories/2008/1724/references, http://www.vupen.com/english/advisories/2008/1966/references, http://bugs.gentoo.org/show_bug.cgi?id=198976, http://docs.info.apple.com/article.html?artnum=307179, http://docs.info.apple.com/article.html?artnum=307562, http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html, http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html, http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00007.html, http://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html, http://securitytracker.com/id?1019116, http://sunsolve.sun.com/search/document.do?assetkey=1-26-238305-1, http://sunsolve.sun.com/search/document.do?assetkey=1-26-239286-1, http://www.adobe.com/support/security/bulletins/apsb07-20.html, http://www.adobe.com/support/security/bulletins/apsb08-13.html, http://www.gentoo.org/security/en/glsa/glsa-200801-07.xml, http://www.redhat.com/support/errata/RHSA-2007-1126.html, http://www.securityfocus.com/archive/1/483357/100/0/threaded, http://www.securityfocus.com/archive/1/483579/100/0/threaded, http://www.securityfocus.com/bid/26346, http://www.us-cert.gov/cas/techalerts/TA07-352A.html, http://www.us-cert.gov/cas/techalerts/TA07-355A.html, https://exchange.xforce.ibmcloud.com/vulnerabilities/38278, https://issues.rpath.com/browse/RPL-1738, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9701, https://usn.ubuntu.com/547-1/, https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00181.html

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High