What is CVE-2021-42692?

CVE-2021-42692 is a medium-severity vulnerability in Tinytoml Project, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2022-05-26.

How severe is CVE-2021-42692?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Tinytoml Project

CVE-2021-42692

There is a stack-overflow vulnerability in tinytoml v0.4 that can cause a crash or DoS.

Vulnerability class: Buffer Overflow

Published 2022-05-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.6th percentile), scored 2026-10-08.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Tinytoml Project — versions 0.4

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/mayah/tinytoml/issues/49 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-42692?: CVE-2021-42692 is a medium-severity vulnerability in Tinytoml Project, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2022-05-26.
How severe is CVE-2021-42692?: Medium severity. CVSS v3 base score is 6.5 out of 10.