Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute…

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.

Scores

EPSS (exploitation in 30 days)

4.1% · top 9.2% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.

Weakness

• n/a
• CWE-119 (opens in a new tab)All about CWE-119 and its CVEs

Affected products

• n/a

  • affected n/a

References (60)

• 30219 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SA:2007:069 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 29267 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• USN-547-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• GLSA-200711-30 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 28157 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• oval:org.mitre.oval:def:9701 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• ADV-2007-4238 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 30507 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20071106 rPSA-2007-0231-1 pcre (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• TA07-352A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• 27538 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20071112 FLEA-2007-0064-1 pcre (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• http://www.adobe.com/support/security/bulletins/apsb08-13.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 28570 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 28136 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2008-1966 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• DSA-1570 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• ADV-2008-1724 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• https://issues.rpath.com/browse/RPL-1738 (opens in a new tab)x_refsource_CONFIRMx_transferred
• TA07-355A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• 27697 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 28406 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 27554 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2008-0924 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• GLSA-200801-07 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 27543 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• [gtk-devel-list] 20071107 GLib 2.14.3 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 29420 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• APPLE-SA-2007-12-17 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• GLSA-200805-11 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• APPLE-SA-2008-03-18 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• MDKSA-2007:211 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 239286 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
• FEDORA-2008-1842 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 28161 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://docs.info.apple.com/article.html?artnum=307179 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2007:1126 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 27741 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2007-3790 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 30840 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2007-3725 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 238305 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
• ADV-2007-4258 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 1019116 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• http://docs.info.apple.com/article.html?artnum=307562 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 30155 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 28720 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• GLSA-200801-02 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• pcre-class-unicode-bo(38278) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• http://bugs.gentoo.org/show_bug.cgi?id=198976 (opens in a new tab)x_refsource_MISCx_transferred
• 28213 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• GLSA-200801-19 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• GLSA-200801-18 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• http://www.adobe.com/support/security/bulletins/apsb07-20.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-1399 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 28414 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 26346 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 30106 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 28714 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2007-4768](https://trackcve.app/badge/CVE-2007-4768.svg)](https://trackcve.app/cve/CVE-2007-4768)

Record last updated 7 Aug 2024, 15:08 UTC.