CVE-2022-4996 in mruby

Prediction

by VulDB Data Team • 08/17/2026

A flaw has been found in mruby 3.1.0. Affected is the function udiv of the file bigint.c. Executing a manipulation can lead to floating point comparison with incorrect operator. It is possible to launch the attack remotely. The exploit has been published and may be used. It is best practice to apply a patch to resolve this issue.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

• Responsible: VulDB
• Moderation: accepted
• Entry: VDB-391391
• CPE: ready
• CWE: CWE-1077 (confirmed)
• Exploit: Download
• CVSS: 5.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: low
• Sector: Education, Telecommunication, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2022-4996
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-4996
• CVE Details: https://www.cvedetails.com/cve/CVE-2022-4996/