CVE-2023-30421

LOW
2.9
CVSS Score
Published: April 19, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 05:54 AM UTC
1 product affected across 1 vendorMjson

Using mjson by mjson project?

Get instant alerts when new vulnerabilities affect mjson - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
LOW2.9
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.9LOWmitre
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-407

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card