CVE-2018-21232
MEDIUMCVSS 5.5/10EPSS 1.43%
Last modified
CVE-2018-21232 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags.. EPSS estimates a 1.43% chance of exploitation in the next 30 days.
Description
re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Re2c | Re2c | < 2.0 |
References
- https://github.com/skvadrik/re2c/issues/219Exploit, Patch, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/04/27/2Mailing List, Third Party Advisory
- https://github.com/skvadrik/re2c/issues/219Exploit, Patch, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/04/27/2Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-21232?
re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags.
How severe is CVE-2018-21232?
CVE-2018-21232 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.
How do I fix CVE-2018-21232?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2018-21232?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST