Yukihiro Matsumoto, et al. Mruby

Name: Yukihiro Matsumoto, et al. Mruby
Brand: Yukihiro Matsumoto, et al.

productRU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

public exploit

EPSS ≥ 10%

critical

by severity

0critical6high1medium0low

updated 2026-10-28

vulnerabilities (7)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-41817US	high7.5	3.46% (89th)	—	no fix	2022-01-01	3 versions
CVE-2021-41819US	high7.5	3.15% (88th)	—	no fix	2022-01-01	3 versions
CVE-2023-28755US	medium5.3	2.64% (86th)	—	no fix	2023-03-31	≤ 3.2.2
CVE-2021-33621US	high8.8	2.45% (84th)	—	no fix	2022-11-18	3 versions
CVE-2020-36401US	high7.8	0.99% (62nd)	—	no fix	2021-07-01	≤ 3.0.0
CVE-2025-61594US	high7.5	0.56% (46th)	—	no fix	2025-12-30	3 versions
CVE-2022-1934US	high7.8	0.40% (35th)	—	no fix	2022-05-31	≤ 3.2

The flaw types (CWEs) most of these CVEs share.

CWE-1333Inefficient Regular Expression Complexity2 CVEs
CWE-200Exposure of Sensitive Information to an Unauthorized Actor1 CVEs
CWE-212Improper Removal of Sensitive Information Before Storage or Transfer1 CVEs
CWE-400Uncontrolled Resource Consumption1 CVEs
CWE-415Double Free1 CVEs
CWE-416Use After Free1 CVEs
CWE-436Interpretation Conflict1 CVEs
CWE-565Reliance on Cookies without Validation and Integrity Checking1 CVEs

Which sources assert this record, and when.

scry

Products carry known vulnerabilities once they are exposed to the internet. See what is exposed on your perimeter with a free passive scan.