Vulnerability · Published Apr 19, 2025 · Assigned by mitre
CVE-2023-30421
Low 2.9
In plain English
A low-severity security flaw in mjson from mjson project. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
Severity (CVSS 3.1)2.9Low
Exploit odds (30 days)0.2%top 95.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain digit strings such as 8891110122900e913013935755114.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| mjson project | mjson | 1.2.7 |
Weakness: CWE-407 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L