CVE-2026-38973 PUBLISHED

mrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbc_find_method().

• https://github.com/mrubyc/mrubyc/issues/279%2C
• https://github.com/mrubyc/mrubyc/commit/f83a8b67ca1c7c62ac0dd548a363d79f767c4e30
• https://github.com/mrubyc/mrubyc

• n/a text