Unrated severityNVD Advisory· Published Sep 10, 2026
CVE-2026-79590
CVE-2026-79590
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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Affected products
2Patches
Vulnerability mechanics
References
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