libicu in International Components for Unicode (ICU) 3.8.1 and earlier attempts to process backreferences to the nonexistent capture group…

Description

libicu in International Components for Unicode (ICU) 3.8.1 and earlier attempts to process backreferences to the nonexistent capture group zero (aka \0), which might allow context-dependent attackers to read from, or write to, out-of-bounds memory locations, related to corruption of REStackFrames.

Scores

EPSS (exploitation in 30 days)

2.9% · top 13% 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-399 (opens in a new tab)All about CWE-399 and its CVEs

Affected products

• n/a

  • affected n/a

References (40)

• oval:org.mitre.oval:def:11172 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 233922 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
• 28615 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• oval:org.mitre.oval:def:5507 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 29852 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 28783 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 29291 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SA:2008:023 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 29242 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 1019269 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• GLSA-200805-16 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 29987 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SR:2008:005 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 27455 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 29294 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.openoffice.org/security/cves/CVE-2007-4770.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• GLSA-200803-20 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• DSA-1511 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• libicu-restackframes-dos(39938) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0043 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2008:0090 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 29333 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://issues.rpath.com/browse/RPL-2199 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-591-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• MDVSA-2008:026 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 231641 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
• ADV-2008-1375 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=429023 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 29194 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 30179 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• FEDORA-2008-1076 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• http://www.openoffice.org/security/cves/CVE-2007-5745.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 28575 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20080206 rPSA-2008-0043-1 icu (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• [icu-support] 20080122 ICU Patch for bugs in Regular Expressions (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 28669 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2008-0807 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 29910 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• FEDORA-2008-1036 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• ADV-2008-0282 (opens in a new tab)vdb-entryx_refsource_VUPENx_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-2007-4770](https://trackcve.app/badge/CVE-2007-4770.svg)](https://trackcve.app/cve/CVE-2007-4770)

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