CVE-2018-21232

Public Exploit

Description

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

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Third-Party Advisory github.com Third-Party Advisory openwall.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/skvadrik/re2c/issues/219 exploit third party advisory patch
https://www.openwall.com/lists/oss-security/2020/04/27/2 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2020/05/14/4 mailing list

Frequently Asked Questions

What is the severity of CVE-2018-21232?
CVE-2018-21232 has been scored as a medium severity vulnerability.
How to fix CVE-2018-21232?
To fix CVE-2018-21232, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-21232 being actively exploited in the wild?
It is possible that CVE-2018-21232 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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