What is CVE-2021-42218?

CVE-2021-42218 is a high-severity vulnerability in Rice Open Motion Planning Library, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2022-05-03.

How severe is CVE-2021-42218?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Rice Open Motion Planning Library

CVE-2021-42218

OMPL v1.5.2 contains a memory leak in VFRRT.cpp

Published 2022-05-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.4th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.000

Affected products

Rice Open Motion Planning Library — versions 1.5.2

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

github.com/ompl/ompl/issues/839 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-42218?: CVE-2021-42218 is a high-severity vulnerability in Rice Open Motion Planning Library, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2022-05-03.
How severe is CVE-2021-42218?: High severity. CVSS v3 base score is 7.5 out of 10.