In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real size. A specially crafted MachO file can cause an out-of-bounds memory access, resulting in Denial of Service (application crash) or potential code execution.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | No solution exists | May 15, 2025 | Dec 9, 2019 |
| Ubuntu | — | Upgrade python-yara (Ubuntu Pro)Upgrade libyara3 (Ubuntu Pro)Upgrade yara (Ubuntu Pro)Upgrade python3-yara (Ubuntu Pro) | Mar 10, 2026 | Dec 9, 2019 |
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