Vulnerability Description
mrubyc through 3.4.1 was found to contain a NULL pointer dereference in src/vm.c in op_super() / OP_SUPER due to a missing runtime guard for top-level super.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Related Weaknesses (CWE)
References
- https://github.com/hayat01sh1da/mrubyc/commit/c4aa2a06bfdd13a0f1ae5165c5760a2530
- https://github.com/mrubyc/mrubyc
- https://github.com/mrubyc/mrubyc/issues/276
- https://github.com/mrubyc/mrubyc/issues/276
FAQ
What is CVE-2026-38976?
CVE-2026-38976 is a vulnerability with a CVSS score of 7.5 (HIGH). mrubyc through 3.4.1 was found to contain a NULL pointer dereference in src/vm.c in op_super() / OP_SUPER due to a missing runtime guard for top-level super.
How severe is CVE-2026-38976?
CVE-2026-38976 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-38976?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.