Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2021-4188

NULL Pointer Dereference

Published: Dec 30, 2021 | Modified: Jan 06, 2022
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-4188
CWEhttps://cwe.mitre.org/data/definitions/476.html

mruby is vulnerable to NULL Pointer Dereference

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Mruby Mruby * 3.0.0 (including)
Mruby Ubuntu bionic *
Mruby Ubuntu hirsute *
Mruby Ubuntu impish *
Mruby Ubuntu kinetic *
Mruby Ubuntu lunar *
Mruby Ubuntu mantic *
Mruby Ubuntu trusty *
Mruby Ubuntu xenial *

Potential Mitigations

References

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