libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (heap-based out-of-bounds read and application crash) via a crafted rule that is mishandled in the yara_yyparse function.
CVSS Details
- CVSS 3.0 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade yara | Jul 30, 2024 | Apr 3, 2017 |
| Ubuntu | — | Upgrade yara (Ubuntu Pro)Upgrade python3-yara (Ubuntu Pro)Upgrade python-yara (Ubuntu Pro)Upgrade libyara3 (Ubuntu Pro) | Jun 26, 2025 | Apr 3, 2017 |
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