Vulnerability DatabaseCVE-2022-1212
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CVE-2022-1212
Published:April 05, 2022
Updated:May 17, 2026
Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.
Related Resources (5)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1212.json
https://nvd.nist.gov/vuln/detail/CVE-2022-1212
https://huntr.dev/bounties/9fcc06d0-08e4-49c8-afda-2cae40946abe
https://github.com/mruby/mruby/commit/3cf291f72224715942beaf8553e42ba8891ab3c6
https://security-tracker.debian.org/tracker/CVE-2022-1212
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CVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
LOW
Subsequent System Integrity
NONE
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Use After Free
CWE-416
EPSS
Base Score:
0.89