CWE
674
Advisory Published
Updated

CVE-2018-21232

First published: Wed Apr 29 2020(Updated: )

re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
re2c<2.0

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Frequently Asked Questions

  • What is the severity of CVE-2018-21232?

    CVE-2018-21232 is considered a high severity vulnerability due to its potential for causing denial of service through stack exhaustion.

  • How do I fix CVE-2018-21232?

    To fix CVE-2018-21232, update to re2c version 2.0 or later, which addresses the uncontrolled recursion issue.

  • What software is affected by CVE-2018-21232?

    CVE-2018-21232 affects re2c versions prior to 2.0.

  • What types of attacks can exploit CVE-2018-21232?

    CVE-2018-21232 can be exploited through crafted input that triggers the uncontrolled recursion, leading to stack consumption.

  • Is CVE-2018-21232 still a risk if I have version 2.0 or later?

    No, if you are using re2c version 2.0 or later, you are not at risk from CVE-2018-21232.

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