Security Advisory

CVE-2026-79590

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-10 00:00:00

Last updated 2026-09-14 17:16:15

Assigner mitre

CVSS score 6.5

State PUBLISHED

Description

A NULL pointer dereference vulnerability exists in the Prism parser component of mruby 4.0.0. An attacker can provide a specially crafted Ruby source file that triggers the parser to pass a NULL pointer to nonnull string handling functions, resulting in undefined behavior and application crash.

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