CVE-2026-79590
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
Sep 10, 2026
Vendor
unknown
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.