CVE-2023-30421

LOW

mjson 1.2.7 - Denial of Service via Inefficient Algorithmic Complexity in mystrtod

Title source: llm
STIX 2.1

Description

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

References (2)

Core 2

Scores

CVSS v3 2.9
EPSS 0.0013
EPSS Percentile 2.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-407
Status published
Products (1)
mjson project/mjson 1.2.7
Published Apr 19, 2025
Tracked Since Feb 18, 2026