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.

Vulnerability/
CVE-2018-21232

medium

5.5

CWE

674

29/4/2020

5/8/2024

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 Software	Affected Version	How to fix
re2c	<2.0

Remedy

https://github.com/skvadrik/re2c/issues/219

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Reference Links

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.

agent/type
collector/mitre-cve
source/MITRE
agent/references
agent/last-modified-date
agent/remedy
agent/author
agent/severity
agent/weakness
agent/softwarecombine
agent/first-publish-date
agent/event
agent/description
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/re2c
canonical/re2c

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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.