MEDIUMVulnerability
CVE-2026-79590
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.
Properties
- severity
- MEDIUM
- score
- 6.5
- cve_id
- CVE-2026-79590
- signal_observed_at
- 2026-09-18T17:46:29+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- published_at
- 2026-09-10T22:17:00.267
- last_modified
- 2026-09-14T18:20:08.437
Related Entities (2)
DESCRIBED_BY (1)
→[Source]NVD
HAS_WEAKNESS (1)
→[Weakness]NULL Pointer Dereference
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