CWE
399
Advisory Published
CVE Published
Updated

CVE-2007-4770

First published: Wed Jan 16 2008(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/3.8<5.
5.
ICU (International Components for Unicode)<=3.8.1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2007-4770?

    CVE-2007-4770 is classified as a medium severity vulnerability due to potential memory corruption risks.

  • How do I fix CVE-2007-4770?

    To fix CVE-2007-4770, upgrade to ICU version 3.8.2 or later, as it addresses the backreference issue.

  • What vulnerabilities are associated with CVE-2007-4770?

    CVE-2007-4770 may lead to out-of-bounds memory access and possible remote code execution vulnerabilities.

  • Which software is affected by CVE-2007-4770?

    CVE-2007-4770 affects International Components for Unicode (ICU) versions up to 3.8.1.

  • Who can exploit CVE-2007-4770?

    CVE-2007-4770 can be exploited by context-dependent attackers who can manipulate input to trigger the backreference issue.

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