The yr_arena_write_data function in YARA 3.6.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) or obtain sensitive information from process memory via a crafted file that is mishandled in the yr_re_fast_exec function in libyara/re.c and the _yr_scan_match_callback function in libyara/scan.c.
CVSS Details
- CVSS 3.0 Base Score: 7.1
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade yara | Jul 30, 2024 | Jun 6, 2017 |
| Ubuntu | — | Upgrade yara (Ubuntu Pro)Upgrade python3-yara (Ubuntu Pro)Upgrade libyara3 (Ubuntu Pro)Upgrade python-yara (Ubuntu Pro) | Jun 26, 2025 | Jun 6, 2017 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub
