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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2023-30421

CVE-2023-30421

LOW2.9

mystrtod in mjson 1

Published Apr 19, 2025

Modified 10 months ago

Details

mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain digit strings such as 8891110122900e913013935755114.

References

https://github.com/boofish/json_bugs/blob/main/mjson

https://github.com/cesanta/mjson/releases

https://www.cve.org/CVERecord?id=CVE-2023-30421

CVSS Analysis

CVSS v3.1

2.9

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

HighAC:H

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

LowA:L

2.9/CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedApr 19, 2025

ModifiedApr 21, 2025

CVE-2023-30421 | Mondoo Vulnerability Intelligence