CVE-2023-30421

April 19, 2025, 10:15 p.m.

2.9
Low

Description

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

Product(s) Impacted

Vendor Product Versions
Mystrtod
  • Mjson
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-407
Inefficient Algorithmic Complexity
An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a mystrtod mjson / / / / / / / /

References

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

Tags

cve@mitre.org
CWE-407
2025-04-19
CVE-2023-30421

CVSS Score

2.9 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: HIGH
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: LOW

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

    View Vector String

Timeline

Published: April 19, 2025, 10:15 p.m.
Last Modified: April 19, 2025, 10:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.