Unrated severityNVD Advisory· Published Nov 7, 2007· Updated Jun 16, 2026
CVE-2007-4768
CVE-2007-4768
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
60- www.us-cert.gov/cas/techalerts/TA07-352A.htmlnvdUS Government Resource
- www.us-cert.gov/cas/techalerts/TA07-355A.htmlnvdUS Government Resource
- bugs.gentoo.org/show_bug.cginvd
- docs.info.apple.com/article.htmlnvd
- docs.info.apple.com/article.htmlnvd
- lists.apple.com/archives/security-announce/2007/Dec/msg00002.htmlnvd
- lists.apple.com/archives/security-announce/2008/Mar/msg00001.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2007-12/msg00007.htmlnvd
- mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.htmlnvd
- secunia.com/advisories/27538nvd
- secunia.com/advisories/27543nvd
- secunia.com/advisories/27554nvd
- secunia.com/advisories/27697nvd
- secunia.com/advisories/27741nvd
- secunia.com/advisories/28136nvd
- secunia.com/advisories/28157nvd
- secunia.com/advisories/28161nvd
- secunia.com/advisories/28213nvd
- secunia.com/advisories/28406nvd
- secunia.com/advisories/28414nvd
- secunia.com/advisories/28570nvd
- secunia.com/advisories/28714nvd
- secunia.com/advisories/28720nvd
- secunia.com/advisories/29267nvd
- secunia.com/advisories/29420nvd
- secunia.com/advisories/30106nvd
- secunia.com/advisories/30155nvd
- secunia.com/advisories/30219nvd
- secunia.com/advisories/30507nvd
- secunia.com/advisories/30840nvd
- security.gentoo.org/glsa/glsa-200711-30.xmlnvd
- security.gentoo.org/glsa/glsa-200801-02.xmlnvd
- security.gentoo.org/glsa/glsa-200801-18.xmlnvd
- security.gentoo.org/glsa/glsa-200801-19.xmlnvd
- security.gentoo.org/glsa/glsa-200805-11.xmlnvd
- securitytracker.com/idnvd
- sunsolve.sun.com/search/document.donvd
- sunsolve.sun.com/search/document.donvd
- www.adobe.com/support/security/bulletins/apsb07-20.htmlnvd
- www.adobe.com/support/security/bulletins/apsb08-13.htmlnvd
- www.debian.org/security/2007/dsa-1399nvd
- www.debian.org/security/2008/dsa-1570nvd
- www.gentoo.org/security/en/glsa/glsa-200801-07.xmlnvd
- www.mandriva.com/security/advisoriesnvd
- www.redhat.com/support/errata/RHSA-2007-1126.htmlnvd
- www.securityfocus.com/archive/1/483357/100/0/threadednvd
- www.securityfocus.com/archive/1/483579/100/0/threadednvd
- www.securityfocus.com/bid/26346nvd
- www.vupen.com/english/advisories/2007/3725nvd
- www.vupen.com/english/advisories/2007/3790nvd
- www.vupen.com/english/advisories/2007/4238nvd
- www.vupen.com/english/advisories/2007/4258nvd
- www.vupen.com/english/advisories/2008/0924/referencesnvd
- www.vupen.com/english/advisories/2008/1724/referencesnvd
- www.vupen.com/english/advisories/2008/1966/referencesnvd
- exchange.xforce.ibmcloud.com/vulnerabilities/38278nvd
- issues.rpath.com/browse/RPL-1738nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9701nvd
- usn.ubuntu.com/547-1/nvd
- www.redhat.com/archives/fedora-package-announce/2008-March/msg00181.htmlnvd
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