PT-2026-88913 · Mrubyc · Mrubyc
CVE-2026-86547
·
Published
2026-09-09
·
Updated
2026-09-09
CVSS v3.1
6.2
Medium
| Vector | AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
mrubyc through 4.0.0 contains a null pointer dereference vulnerability in the op enter() handler in src/vm.c when processing untrusted bytecode. Attackers can craft malicious .mrb bytecode files with OP ENTER instructions at the top level to crash the embedding application and cause denial of service.
Fix
NULL Pointer Dereference
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Mrubyc